---
title: "The Shaanxi Earthquake: Humanity's Most Devastating Day"
description: "23rd January 1556 — The Shaanxi earthquake — Humanity's most devastating day\n\nRecent developments in understanding our species and how we developed have suggested around 117 billion have lived at some stage or another on our planet. This, therefore, means that about 109 billion people — give or take — have died. That's an enormous number, but when you spread it throughout humanity — 160,000 to 300,000 years — depending on how detailed you want to get, it evens to a relatively average death rate that has grown rapidly in the last few thousand years.\n\nDespite our modern advances in medicine, more humans will die this year than 5,000 years ago simply because our numbers have exploded. With roughly 8 billion people now on planet Earth, somewhere between 60 and 65 million will die in 2024 — approximately the same as last year.\n\nNow, you might think that with various wars ongoing worldwide, that figure might climb higher, but war doesn't even make it into the top 10. Quick side note in case you're wondering: Ischaemic heart disease, strokes, and lower respiratory infections are the three biggest killers of human beings.\n\nWorld War 1 and World War 2 killed a combined 110 to 130 million people, making the 20th Century one of the most deadly in history, while the 14th Century saw 45 million die due to the black death and natural disasters. If we want to zoom in even further, 536 AD was a terrifying 365 days to be alive, thanks to the volcanic winter that settled over the planet after at least three simultaneous volcanic eruptions of uncertain origin. It's impossible to say how many died in 536 AD, but with famine lasting more than a year, it's fair to say a sizable chunk of humanity disappeared.\n\nBetween 1918 and 1919, an estimated 50 million people perished as the Spanish flu surged around the world, making it one of the worst years in human history. But if we want to peer even closer into the human story, what have been the deadliest days for *homo sapiens*? Was it the first day of the Battle of the Somme on 1st July 1916 when nearly 30,000 men died? Not even close. Maybe the bombing of Hiroshima on 6th August 1945 that killed 70,000? What about the 2004 Indian Ocean Earthquake and Tsunami that killed 230,000 people? Still not quite there.\n\nFor humanity's deadliest day, we must go back to the 16th Century and the northwestern Chinese province of Shaanxi.\n\n## Life and Death in China\n\nThe mixture of extreme poverty and deadly natural disasters has meant China has long laid claim to many of the most catastrophic events in human history. The 1931 flooding around China killed a massive 4 million, while the Yellow River flood of 1887 killed nearly 1 million people, and the resulting pandemic killed a further 1 million. The 1975 Banqiao Dam failure after torrential rain may have resulted in as many as 240,000 deaths, and if we want to talk about human-caused misery, Mao's Great Leap Forward left as many as 45 million people dead.\n\nIf you look at the worldwide list of natural disasters, China appears more than any other country by some distance. China's susceptibility to numerous natural disasters can be attributed to its vast and diverse geographical landscape, coupled with its dense population and rapid urbanization. Spanning over 9.6 million square kilometers — around 3.7 sq miles — China's terrain includes expansive coastlines, extensive river systems, mountainous regions, and plateaus, each bringing unique natural disaster risks.\n\nOne of the primary reasons for the prevalence of natural disasters in China is its geographical positioning. China is located on the Pacific Ring of Fire and is prone to seismic activities. The collision of tectonic plates, particularly the Indian-Australian Plate with the Eurasian Plate, results in frequent earthquakes, some of which have been devastating, like the 2008 Sichuan earthquake.\n\nFlooding is another major issue, mainly due to China's extensive river systems, including the Yangtze and the Yellow River. While central to China's agriculture and economy, these rivers are prone to flooding, exacerbated by seasonal monsoons and typhoons. Typhoons and tropical storms affecting the coastal regions, especially in the southeast, are frequent due to China's extensive Pacific coastline. These storms bring heavy rains, strong winds, flooding, and landslides.\n\nChina's vast landmass also experiences extreme weather conditions, including droughts in the northern regions and harsh winters in the northeast, leading to natural disasters like famines and cold waves.\n\nRapid urbanization and population growth exacerbate the impact of these natural disasters. Urban sprawl in vulnerable areas, often with inadequate infrastructure to withstand such disasters, leads to more significant loss of life and property. Climate change further intensifies these natural phenomena, making them more frequent and severe.\n\n## Shaanxi Province\n\nLocated in the heart of China, Shaanxi Province is a region steeped in history and culture, serving as a pivotal area in forming Chinese civilization. Historically, it is known as the cradle of Chinese culture and has been the seat of power for various ancient dynasties, most notably the Qin, the first dynasty to unify China, and the Tang, considered a golden age in Chinese history.\n\nThe capital city of Shaanxi, Xi'an, is famously home to the Terracotta Army, and the region is known for its geographical diversity. The province encompasses portions of the Loess Plateau and the Qinling Mountains, which serve as a natural boundary between North and South China.\n\nCulturally, Shaanxi has always played an enormous role in developing ancient Chinese art, language, and cuisine. The province is renowned for its traditional Shaanxi opera, a distinct form of Chinese opera, and its unique culinary traditions, including dishes like Yangrou Paomo, a bread and mutton soup, and biangbiang noodles, known for their wide, belt-like shape. This is China's heartland and has always been one of its most densely populated regions.\n\n## Humanity's Deadliest Day\n\nOn the morning of 23rd January 1556, residents of Shaanxi Province were jolted awake — or, should I say, violently thrown. This was not simply an earthquake but a terrifying seismic shift measuring around 8.0-8.3 on the Richter scale. The results were biblical, almost apocalyptical. One source described \"great crevices opening in the earth,\" and another told how \"walls and buildings crumpled like paper.\" The tremors were felt in places as far as 500 kilometers — 310 miles — away from the epicenter.\n\nThough the earthquake lasted mere seconds, it caused what many believe to be humanity's most devastating day, killing an estimated 830,000, making it the deadliest earthquake and one of the most catastrophic natural disasters in recorded history.\n\nThe devastation was immense. Entire towns and villages were obliterated. In Huaxian, every single structure collapsed, killing half the population. Reports from the period describe the landscape as drastically altering, with rivers changing course or drying up and even mountains disappearing instantly. More than 97 counties in the provinces of Shaanxi, Shanxi, Henan, Gansu, Hebei, Shandong, Hubei, Hunan, Jiangsu, and Anhui were affected, with a destruction zone measuring 840-kilometer-wide (520 mi).\n\nMany of the victims lived in *yaodongs*, artificial caves dug into soft rock, which were common in the Loess Plateau region. These structures, while efficient for living, became death traps during the earthquake, collapsing and burying their inhabitants. Those living in towns within what would be considered more luxurious surroundings faired no better. The power of the earthquake knocked down practically everything in its wake.\n\nIt's impossible to say how many died instantly during the earthquake and how many perished in the hours and days that followed. Many were crushed beneath fallen walls, and with such staggering numbers and centuries before mechanical equipment arrived, helping the majority was virtually impossible. Others died after falling into great crevices said to be 60 metres deep or water holes that suddenly appeared and at times measured as much as 10 meters in depth.\n\nOther major problems were fires and landslides. Some blazes reportedly burned for more than a week, while the city of Puzhou was entirely engulfed, creating a giant inferno on an unimaginable scale. The brutality of the earthquake dramatically changed the surrounding landscape, leading to severe instability that led to countless landslides that only increased the loss life. If you weren't killed in the initial earthquake, there was a deadly concoction of follows ups that further savaged the area.\n\nThe aftermath of the earthquake was equally harrowing. Survivors faced a dire lack of resources, widespread homelessness, and the spread of diseases. The Ming government, already strained by economic and military pressures, struggled to provide adequate relief. This has long been a major issue with Chinese natural disasters. The size of the country and its population, coupled with the monstrous loss of life, means that any government in power is going to struggle to help all of its people in any meaningful way.\n\nThis meant that millions of people were practically fending for themselves within an environment that was probably as close to hell as any of them could imagine. The tenacity of the human spirit after such events is extraordinary, especially considering aftershocks occurred 3 to 5 times each month for half a year, with the ground continuing to spasm sporadically for almost five years.\n\nThe loss of life was dramatic. Whether on the 23rd of January or over the coming days and weeks. Shaanxi province saw a population drop of around 60% because of this earthquake, and it took the better part of a century for numbers to recover.\n\n## The Shaanxi Legacy\n\nThe Shaanxi earthquake became a significant historical case study in natural disaster management and urban planning. It highlighted the importance of building structures capable of withstanding seismic forces, a lesson that remains relevant in many earthquake-prone regions today. Sources from this period include some of the earliest advice found that told people to stay inside, ideally beneath a door frame, rather than go outside, the advice still given out today.\n\nIn Chinese history and culture, the 1556 earthquake symbolizes the capriciousness of nature and the importance of disaster preparedness. It also serves as a grim reminder of the fragility of human life in the face of natural calamities.\n\nThe legacy of this tragic day extends beyond the historical and geological analyses. It has become a part of the collective human understanding of our vulnerability to the forces of nature. It underscores the importance of scientific advancements in earthquake prediction and the need for robust, resilient infrastructure to protect communities.\n\nSignificant steps were taken in China to try and limit the potential loss of life if such an earthquake were to occur, including town planning and disaster instructions that were handed out, but the sad reality is that it has happened again — several times. The 1920 Haiyuan earthquake killed 265,000 people, while the 1976 Tangshan earthquake was responsible for more than 300,000 deaths. Even the 2008 Sichuan earthquake of 2008 claimed nearly 90,000 lives, making it the 18th deadliest earthquake of all time.\n\nWhen we're talking about the kind of numbers present in China, often crowded into relatively small areas, when these tectonic plates shift, it doesn't matter what safeguards are in place; many people will die.\n\nAnd these types of earthquakes are still smaller than what can happen. The Valdivia earthquake that shook southern Chile in May 1960 is still the strongest in recorded history, measuring 9.5 on the Richter Scale. The 10-minute rumble left over 2 million people homeless but killed less than 2,000 people, mainly thanks to its relatively isolated location. If something like this were to happen in Shaanxi, the loss of life could be unimaginable.\n\nCalculating human tragedy is a thankless task. Events like the Shaanxi earthquake or the 2004 Indian Ocean earthquake and tsunami cause human deaths on a scale that is difficult to comprehend. While events like war, disease, and famine can kill millions in a matter of months, if we're talking about 24-hour periods, nothing compares to when our planet convulses, and hell erupts.\n\n## Key Takeaways\n\n- The Shaanxi earthquake of 1556 is considered humanity's deadliest day, with an estimated 830,000 fatalities.\n- China's geographical diversity and dense population make it highly susceptible to natural disasters.\n- The Shaanxi earthquake highlighted the need for earthquake-resistant structures and disaster preparedness.\n- The earthquake's aftermath was devastating, with widespread destruction and a 60% population drop in Shaanxi.\n- Despite advancements, large-scale earthquakes in densely populated areas can still result in massive loss of life.\n\n## Frequently Asked Questions\n\n### What was the deadliest day in human history?\n\nThe deadliest day in human history was January 23, 1556, due to the Shaanxi earthquake in northwestern China.\n\n### How many people died in the Shaanxi earthquake?\n\nAn estimated 830,000 people died in the Shaanxi earthquake, making it the deadliest earthquake and one of the most catastrophic natural disasters in recorded history.\n\n### What caused the high death toll in the Shaanxi earthquake?\n\nThe high death toll was due to the collapse of yaodongs (artificial caves) and buildings, as well as subsequent fires, landslides, and the lack of resources and aid for survivors.\n\n### How did the Shaanxi earthquake affect the landscape?\n\nThe earthquake drastically altered the landscape, with rivers changing course or drying up, mountains disappearing, and great crevices and water holes appearing.\n\n### What was the magnitude of the Shaanxi earthquake?\n\nThe Shaanxi earthquake measured around 8.0-8.3 on the Richter scale.\n\n### How many counties were affected by the Shaanxi earthquake?\n\nMore than 97 counties in several provinces were affected, with a destruction zone measuring 840 kilometers wide.\n\n### What was the impact of the Shaanxi earthquake on the population?\n\nThe earthquake caused a population drop of around 60% in Shaanxi province, and it took nearly a century for the population to recover.\n\n### What lessons were learned from the Shaanxi earthquake?\n\nThe earthquake highlighted the importance of building structures capable of withstanding seismic forces and the need for disaster preparedness.\n\n### How did the Ming government respond to the Shaanxi earthquake?\n\nThe Ming government struggled to provide adequate relief due to economic and military pressures, leaving millions of people to fend for themselves.\n\n### What other major earthquakes have occurred in China since the Shaanxi earthquake?\n\nOther major earthquakes in China include the 1920 Haiyuan earthquake (265,000 deaths), the 1976 Tangshan earthquake (over 300,000 deaths), and the 2008 Sichuan earthquake (nearly 90,000 deaths).\n\n## Sources\n\n- [Original Into the Shadows video: The Shaanxi Earthquake: Humanity's Most Devastating Day](https://www.youtube.com/watch?v=_pXfsmwQ0TE)\n- [Hero image source](https://upload.wikimedia.org/wikipedia/commons/5/5e/Terracotta_Army-China.jpg) by see source / openverse, by-sa.\n\n## Related Coverage"
url: https://intotheshadows.pub/article/shaanxi-earthquake-humanity-most-devastating-day.md
canonical: https://intotheshadows.pub/article/shaanxi-earthquake-humanity-most-devastating-day
datePublished: 2026-06-28
dateModified: 2026-06-28
author:
  - name: Simon Whistler
    url: https://intotheshadows.pub/author/simon-whistler
publisher: Into the Shadows
image: "https://media.intotheshadows.pub/cdn-cgi/image/width=1600,height=900,fit=cover,quality=80,format=auto/articles/_pXfsmwQ0TE/hero.jpg"
type: Article
contentHash: 80fb4fc58deb0e4de5c92549b919e621739a33927dbefdbf0acff60bd951f8a6
tokens: 3873
summaryUrl: https://intotheshadows.pub/article/shaanxi-earthquake-humanity-most-devastating-day.md.summary.md
---

<!-- aeo:section start="lede" -->
23rd January 1556 — The Shaanxi earthquake — Humanity's most devastating day

Recent developments in understanding our species and how we developed have suggested around 117 billion have lived at some stage or another on our planet. This, therefore, means that about 109 billion people — give or take — have died. That's an enormous number, but when you spread it throughout humanity — 160,000 to 300,000 years — depending on how detailed you want to get, it evens to a relatively average death rate that has grown rapidly in the last few thousand years.

Despite our modern advances in medicine, more humans will die this year than 5,000 years ago simply because our numbers have exploded. With roughly 8 billion people now on planet Earth, somewhere between 60 and 65 million will die in 2024 — approximately the same as last year.

Now, you might think that with various wars ongoing worldwide, that figure might climb higher, but war doesn't even make it into the top 10. Quick side note in case you're wondering: Ischaemic heart disease, strokes, and lower respiratory infections are the three biggest killers of human beings.

World War 1 and World War 2 killed a combined 110 to 130 million people, making the 20th Century one of the most deadly in history, while the 14th Century saw 45 million die due to the black death and natural disasters. If we want to zoom in even further, 536 AD was a terrifying 365 days to be alive, thanks to the volcanic winter that settled over the planet after at least three simultaneous volcanic eruptions of uncertain origin. It's impossible to say how many died in 536 AD, but with famine lasting more than a year, it's fair to say a sizable chunk of humanity disappeared.

Between 1918 and 1919, an estimated 50 million people perished as the Spanish flu surged around the world, making it one of the worst years in human history. But if we want to peer even closer into the human story, what have been the deadliest days for *homo sapiens*? Was it the first day of the Battle of the Somme on 1st July 1916 when nearly 30,000 men died? Not even close. Maybe the bombing of Hiroshima on 6th August 1945 that killed 70,000? What about the 2004 Indian Ocean Earthquake and Tsunami that killed 230,000 people? Still not quite there.

For humanity's deadliest day, we must go back to the 16th Century and the northwestern Chinese province of Shaanxi.

<!-- aeo:section end="lede" -->
<!-- aeo:section start="life-and-death-in-china" -->
## Life and Death in China

The mixture of extreme poverty and deadly natural disasters has meant China has long laid claim to many of the most catastrophic events in human history. The 1931 flooding around China killed a massive 4 million, while the Yellow River flood of 1887 killed nearly 1 million people, and the resulting pandemic killed a further 1 million. The 1975 Banqiao Dam failure after torrential rain may have resulted in as many as 240,000 deaths, and if we want to talk about human-caused misery, Mao's Great Leap Forward left as many as 45 million people dead.

If you look at the worldwide list of natural disasters, China appears more than any other country by some distance. China's susceptibility to numerous natural disasters can be attributed to its vast and diverse geographical landscape, coupled with its dense population and rapid urbanization. Spanning over 9.6 million square kilometers — around 3.7 sq miles — China's terrain includes expansive coastlines, extensive river systems, mountainous regions, and plateaus, each bringing unique natural disaster risks.

One of the primary reasons for the prevalence of natural disasters in China is its geographical positioning. China is located on the Pacific Ring of Fire and is prone to seismic activities. The collision of tectonic plates, particularly the Indian-Australian Plate with the Eurasian Plate, results in frequent earthquakes, some of which have been devastating, like the 2008 Sichuan earthquake.

Flooding is another major issue, mainly due to China's extensive river systems, including the Yangtze and the Yellow River. While central to China's agriculture and economy, these rivers are prone to flooding, exacerbated by seasonal monsoons and typhoons. Typhoons and tropical storms affecting the coastal regions, especially in the southeast, are frequent due to China's extensive Pacific coastline. These storms bring heavy rains, strong winds, flooding, and landslides.

China's vast landmass also experiences extreme weather conditions, including droughts in the northern regions and harsh winters in the northeast, leading to natural disasters like famines and cold waves.

Rapid urbanization and population growth exacerbate the impact of these natural disasters. Urban sprawl in vulnerable areas, often with inadequate infrastructure to withstand such disasters, leads to more significant loss of life and property. Climate change further intensifies these natural phenomena, making them more frequent and severe.

<!-- aeo:section end="life-and-death-in-china" -->
<!-- aeo:section start="shaanxi-province" -->
## Shaanxi Province

Located in the heart of China, Shaanxi Province is a region steeped in history and culture, serving as a pivotal area in forming Chinese civilization. Historically, it is known as the cradle of Chinese culture and has been the seat of power for various ancient dynasties, most notably the Qin, the first dynasty to unify China, and the Tang, considered a golden age in Chinese history.

The capital city of Shaanxi, Xi'an, is famously home to the Terracotta Army, and the region is known for its geographical diversity. The province encompasses portions of the Loess Plateau and the Qinling Mountains, which serve as a natural boundary between North and South China.

Culturally, Shaanxi has always played an enormous role in developing ancient Chinese art, language, and cuisine. The province is renowned for its traditional Shaanxi opera, a distinct form of Chinese opera, and its unique culinary traditions, including dishes like Yangrou Paomo, a bread and mutton soup, and biangbiang noodles, known for their wide, belt-like shape. This is China's heartland and has always been one of its most densely populated regions.

<!-- aeo:section end="shaanxi-province" -->
<!-- aeo:section start="humanity-s-deadliest-day" -->
## Humanity's Deadliest Day

On the morning of 23rd January 1556, residents of Shaanxi Province were jolted awake — or, should I say, violently thrown. This was not simply an earthquake but a terrifying seismic shift measuring around 8.0-8.3 on the Richter scale. The results were biblical, almost apocalyptical. One source described "great crevices opening in the earth," and another told how "walls and buildings crumpled like paper." The tremors were felt in places as far as 500 kilometers — 310 miles — away from the epicenter.

Though the earthquake lasted mere seconds, it caused what many believe to be humanity's most devastating day, killing an estimated 830,000, making it the deadliest earthquake and one of the most catastrophic natural disasters in recorded history.

The devastation was immense. Entire towns and villages were obliterated. In Huaxian, every single structure collapsed, killing half the population. Reports from the period describe the landscape as drastically altering, with rivers changing course or drying up and even mountains disappearing instantly. More than 97 counties in the provinces of Shaanxi, Shanxi, Henan, Gansu, Hebei, Shandong, Hubei, Hunan, Jiangsu, and Anhui were affected, with a destruction zone measuring 840-kilometer-wide (520 mi).

Many of the victims lived in *yaodongs*, artificial caves dug into soft rock, which were common in the Loess Plateau region. These structures, while efficient for living, became death traps during the earthquake, collapsing and burying their inhabitants. Those living in towns within what would be considered more luxurious surroundings faired no better. The power of the earthquake knocked down practically everything in its wake.

It's impossible to say how many died instantly during the earthquake and how many perished in the hours and days that followed. Many were crushed beneath fallen walls, and with such staggering numbers and centuries before mechanical equipment arrived, helping the majority was virtually impossible. Others died after falling into great crevices said to be 60 metres deep or water holes that suddenly appeared and at times measured as much as 10 meters in depth.

Other major problems were fires and landslides. Some blazes reportedly burned for more than a week, while the city of Puzhou was entirely engulfed, creating a giant inferno on an unimaginable scale. The brutality of the earthquake dramatically changed the surrounding landscape, leading to severe instability that led to countless landslides that only increased the loss life. If you weren't killed in the initial earthquake, there was a deadly concoction of follows ups that further savaged the area.

The aftermath of the earthquake was equally harrowing. Survivors faced a dire lack of resources, widespread homelessness, and the spread of diseases. The Ming government, already strained by economic and military pressures, struggled to provide adequate relief. This has long been a major issue with Chinese natural disasters. The size of the country and its population, coupled with the monstrous loss of life, means that any government in power is going to struggle to help all of its people in any meaningful way.

This meant that millions of people were practically fending for themselves within an environment that was probably as close to hell as any of them could imagine. The tenacity of the human spirit after such events is extraordinary, especially considering aftershocks occurred 3 to 5 times each month for half a year, with the ground continuing to spasm sporadically for almost five years.

The loss of life was dramatic. Whether on the 23rd of January or over the coming days and weeks. Shaanxi province saw a population drop of around 60% because of this earthquake, and it took the better part of a century for numbers to recover.

<!-- aeo:section end="humanity-s-deadliest-day" -->
<!-- aeo:section start="the-shaanxi-legacy" -->
## The Shaanxi Legacy

The Shaanxi earthquake became a significant historical case study in natural disaster management and urban planning. It highlighted the importance of building structures capable of withstanding seismic forces, a lesson that remains relevant in many earthquake-prone regions today. Sources from this period include some of the earliest advice found that told people to stay inside, ideally beneath a door frame, rather than go outside, the advice still given out today.

In Chinese history and culture, the 1556 earthquake symbolizes the capriciousness of nature and the importance of disaster preparedness. It also serves as a grim reminder of the fragility of human life in the face of natural calamities.

The legacy of this tragic day extends beyond the historical and geological analyses. It has become a part of the collective human understanding of our vulnerability to the forces of nature. It underscores the importance of scientific advancements in earthquake prediction and the need for robust, resilient infrastructure to protect communities.

Significant steps were taken in China to try and limit the potential loss of life if such an earthquake were to occur, including town planning and disaster instructions that were handed out, but the sad reality is that it has happened again — several times. The 1920 Haiyuan earthquake killed 265,000 people, while the 1976 Tangshan earthquake was responsible for more than 300,000 deaths. Even the 2008 Sichuan earthquake of 2008 claimed nearly 90,000 lives, making it the 18th deadliest earthquake of all time.

When we're talking about the kind of numbers present in China, often crowded into relatively small areas, when these tectonic plates shift, it doesn't matter what safeguards are in place; many people will die.

And these types of earthquakes are still smaller than what can happen. The Valdivia earthquake that shook southern Chile in May 1960 is still the strongest in recorded history, measuring 9.5 on the Richter Scale. The 10-minute rumble left over 2 million people homeless but killed less than 2,000 people, mainly thanks to its relatively isolated location. If something like this were to happen in Shaanxi, the loss of life could be unimaginable.

Calculating human tragedy is a thankless task. Events like the Shaanxi earthquake or the 2004 Indian Ocean earthquake and tsunami cause human deaths on a scale that is difficult to comprehend. While events like war, disease, and famine can kill millions in a matter of months, if we're talking about 24-hour periods, nothing compares to when our planet convulses, and hell erupts.

<!-- aeo:section end="the-shaanxi-legacy" -->
<!-- aeo:section start="key-takeaways" -->
## Key Takeaways

- The Shaanxi earthquake of 1556 is considered humanity's deadliest day, with an estimated 830,000 fatalities.
- China's geographical diversity and dense population make it highly susceptible to natural disasters.
- The Shaanxi earthquake highlighted the need for earthquake-resistant structures and disaster preparedness.
- The earthquake's aftermath was devastating, with widespread destruction and a 60% population drop in Shaanxi.
- Despite advancements, large-scale earthquakes in densely populated areas can still result in massive loss of life.

<!-- aeo:section end="key-takeaways" -->
<!-- aeo:section start="frequently-asked-questions" -->
## Frequently Asked Questions

### What was the deadliest day in human history?

The deadliest day in human history was January 23, 1556, due to the Shaanxi earthquake in northwestern China.

### How many people died in the Shaanxi earthquake?

An estimated 830,000 people died in the Shaanxi earthquake, making it the deadliest earthquake and one of the most catastrophic natural disasters in recorded history.

### What caused the high death toll in the Shaanxi earthquake?

The high death toll was due to the collapse of yaodongs (artificial caves) and buildings, as well as subsequent fires, landslides, and the lack of resources and aid for survivors.

### How did the Shaanxi earthquake affect the landscape?

The earthquake drastically altered the landscape, with rivers changing course or drying up, mountains disappearing, and great crevices and water holes appearing.

### What was the magnitude of the Shaanxi earthquake?

The Shaanxi earthquake measured around 8.0-8.3 on the Richter scale.

### How many counties were affected by the Shaanxi earthquake?

More than 97 counties in several provinces were affected, with a destruction zone measuring 840 kilometers wide.

### What was the impact of the Shaanxi earthquake on the population?

The earthquake caused a population drop of around 60% in Shaanxi province, and it took nearly a century for the population to recover.

### What lessons were learned from the Shaanxi earthquake?

The earthquake highlighted the importance of building structures capable of withstanding seismic forces and the need for disaster preparedness.

### How did the Ming government respond to the Shaanxi earthquake?

The Ming government struggled to provide adequate relief due to economic and military pressures, leaving millions of people to fend for themselves.

### What other major earthquakes have occurred in China since the Shaanxi earthquake?

Other major earthquakes in China include the 1920 Haiyuan earthquake (265,000 deaths), the 1976 Tangshan earthquake (over 300,000 deaths), and the 2008 Sichuan earthquake (nearly 90,000 deaths).

<!-- aeo:section end="frequently-asked-questions" -->
<!-- aeo:section start="sources" -->
## Sources

- [Original Into the Shadows video: The Shaanxi Earthquake: Humanity's Most Devastating Day](https://www.youtube.com/watch?v=_pXfsmwQ0TE)
- [Hero image source](https://upload.wikimedia.org/wikipedia/commons/5/5e/Terracotta_Army-China.jpg) by see source / openverse, by-sa.

<!-- aeo:section end="sources" -->
<!-- aeo:section start="related-coverage" -->
## Related Coverage
<!-- aeo:section end="related-coverage" -->