September 12, 1850 Earthquake: Xichang, Sichuan, China
A magnitude 7.5 earthquake struck Xichang, Sichuan, China on September 12, 1850. It killed 20,650 people.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- September 12, 1850
- Place
- Xichang, Sichuan, China
- Magnitude
- 7.5 (Ms)
- Intensity
- 10 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 27.800° N, 102.300° E
- Country
- China
The toll
- Deaths
- 20,650
- Damage
- Extreme (about $25 million or more)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
September 12, 1850, Near Xichang, Sichuan Province, 27.8 N, 102.3 E, magnitude 7.25, intensity X.
Xichang and its environs, as well as Shangsuo, Zhongsuo,
Xiasuo, Lizhou, Taihechang, Gaocaoba, Dechangsuo, Yushuichang and other townships belonging
to the city were stricken by the earthquake with
disaster. The city walls in Xichang County fell
down for more than 70 min length; three gate towers
- the west, south and north, and all government
offices, storehouses, temples and prisons collapsed.
Guandi Temple, LongshenTemple,LingluanTemple
and Chuanzhu Temple and the ancestral shrines
were toppled down, and the White Tower Temple
was razed. The White Tower and furnaces for burning wastepaper (in Hexi and Lizhou) toppled down.
Most houses in the city collapsed; streets were
blocked by timbers with stones and became unrecognizable.
More than 27,880 families were damage stricken,
more than 26,100 rooms in thatched cottages
and tile-roofed houses collapsed, more than
20,650 people were killed. A land fissure, 7-10 m
in width, 13-17 m in depth and 20-33 m in length,
occurred in the area just outside a city gate, but soon
closed again, pedestrians were squeezed to death.
Roads cracked and big trees fell. Along the Qionghai
Lake in the eastern suburb occurred landslides,
earth slumps and ground fissures with water gushed
out. Ground cracks, 0.3-1 m in width, occurred
along the Beishan Mountain, Qionghai Lake and Anning
River with ejection of sandy water. Qionghai
Lake overflowed and inundated villages.
Huili: Old houses in the city- collapsed; houses of
1,838 families were collapsed, and 2,876 people were
killed in the city and 14 residential areas, including
Songlinping, Pisha, Xincun and others.
Ningnan (Pisha): From Ningyuan Prefecture to Pisha,
landslides and earthquakes occurred; houses and temples totally collapsed.
Mianning: A part of southern city walls was destroyed.
Old houses collapsed. Yuhuang Temple in Lugu toppled down; tombs in Shilong destroyed; some people were injured or killed.
Puge: Many mud houses collapsed; landslides and
ground fissures occurred; some people were killed.
Zhaojue: Some houses collapsed; people and domestic
animals were injured or killed.
Xide: A few houses collapsed, lurched or cracked.
Yanyuan: Dozens of civilian rooms of houses collapsed..
Dozens of people were killed.
Qiaojia: Several hundred rooms of civilian houses
collapsed and several hundred people were killed.
Houses collapsed in Yuexi, Dechang, Hexi (northeast
of Yanyuan County, on the east bank of the Yalong
River), Miyi, Mianshan and other places.
Besides, the shock was felt at Nanchong, Renshou,
Nanxi, Qingfu, Junlian and Leshan in Sichuan Province and Xuanwei, Pu'er, Yongsheng and Yanfeng in Yunnan Province.
(above from reference #3939)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- May 10, 1974, Yunnan and Sichuan Provinces, Chao-T'Ung, China
- July 30, 1917, Yunnan Province, China
- August 3, 2014, Longtoushan, Zhaotong, Ludian, Yunnan, China
- September 20, 1933, Sichuan Province, China
- April 2, 814, Xichang, Sichuan Province, China
- December 18, 1935, Sichuan Province, China
- September 7, 2012, Yiliang, Zhaotong, Yunnan Province, China
- October 23, 1995, Wuding, Yunnan Province, China
- August 7, 1878, Yunnan Province, China
- August 30, 2008, Sichuan Province, China
- May 14, 1930, Yunnan Province, China
- August 17, 1936, Yunnan Province, China
- July 22, 2006, Yanjin, China
- November 19, 1998, Huaping, Lijiang, Ninglag, Sichuan Province, China
- May 18, 2020, Qiaojia, Yunnan Province, China
More
Significant earthquakes of 1850The 1800sRecent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 1905.