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1870 Batang earthquake
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Earthquake in China
1870 Batang earthquake
yes
China
1870 04 11
w y 7.3
30.0 99.1 region:CN_type:event inline,title
Strike-slip
Sichuan, Qing dynasty
X
Yes
2,300–5,000 dead
On April 11, 1870, a moment magnitude 7.3 earthquake struck Batang County in Sichuan, China.Global Historical Earthquake Archive https://www.emidius.eu/GEH/info/?en=1870.0411000 17 April 2022 The earthquake had a maximum Modified Mercalli intensity of X (Extreme).Significant Earthquake Database https://www.ngdc.noaa.gov/hazel/view/hazards/earthquake/event-more-info/1138 National Geophysical Data Center / World Data Service (NGDC/WDS) National Geophysical Data Center, NOAA 10.7289/V5TD9V7K 1972 Data Set The earthquake and a large fire resulted in between 2,300 and 5,000 fatalities.
Tectonic setting
Sichuan is located at the edge of the Tibetan Plateau, a portion of the continental crust within the Eurasian Plate that was thickened and uplifted by the India–Asia collision. Deformation of the Eurasian Plate within the collision zone is accommodated by active thrust and left-lateral faulting. A great portion of strike-slip deformation is accommodated along the Altyn Tagh, Kunlun, Haiyuan and Xianshuihe fault systems.Gan Weijun Zhang Peizhen Shen Zheng-Kang Niu Zhijun Wang Min Wan Yongge Zhou Demin Cheng Jia Present-day crustal motion within the Tibetan Plateau inferred from GPS measurements Journal of Geophysical Research 2007 112 B8 10.1029/2005JB004120 American Geophysical Union 2007JGRB..112.8416G free
Earthquake
The earthquake occurred as a result of right-lateral strike-slip faulting along the Batang Fault. The Batang Fault is an active northeast–southwest trending strike-slip fault. Seismicity has been recognized on the fault since the Holocene. An annual slip rate of 3–4 mm was indicated by GPS observations. Earthquakes on the fault have a recurrence interval of 700 years. Recent earthquakes on the fault include a s 6.7 in 1989 and a 5.5 in 1996.Yang Zhihua Guo Changbao Wu Ruian Zhong Ning Ren Sanshao 青藏高原巴塘断裂带地震滑坡危险性预测研究 Hydrogeology & Engineering Geology 2021 48 5 91–101 10.16030/j.cnki.issn.1000-3665.202009024 http://en.cgsjournals.com/article/doi/10.16030/j.cnki.issn.1000-3665.202009024?viewType=HTML Predicting seismic landslide hazard in the Batang fault zone of the Qinghai-Tibet Plateau China Geological Survey Journals zh The earthquake was misdated to 1868 or 1869 by William Mesny.William Mesny (1905) Mesny's Miscellany. Vol. IV, p. 397. 13 May 1905. Shanghai. It was also misdated to 1871.Hosie, A. (1905). Mr. Hosie's Journey to Tibet | 1904. First published as CD 2586. Reprint (2001): The Stationery Office, London, pp. 124-125. 0-11-702467-8.
Damage
The earthquake triggered large landslides that were mainly concentrated around the epicenter area.X. L. Chen Q. Zhou H. Ran R. Dong Earthquake-triggered landslides in southwest China Natural Hazards and Earth System Sciences 2012 12 2 351–363 10.5194/nhess-12-351-2012 2012NHESS..12..351C free Steep mountain slopes fell into a river, forming dams. The earthquake itself reportedly killed 1,000 people in the town of Batang. Many temples collapsed and about 90 percent of wood infrastructures were destroyed. A large number of residents were buried under collapsed buildings. A conflagration was triggered, resulting in a further 4,000 deaths. Intensities VIII to X was felt along the fault trace in a northeast–southwest orientation.
See also
List of earthquakes in China
List of earthquakes in Sichuan
References
Category:April 1870
Category:Earthquakes in Sichuan
Category:1870 in China
Category:1870 earthquakes
Category:1870s disasters in Asia
Category:19th-century disasters in China