1947 Assam earthquake

1947 Assam earthquake

Date	July 29, 1947
Origin time	13:43 UTC ^[1]
Magnitude	7.3 M_w ^[1]
Depth	60 km
Epicenter	28°30′N 94°00′E / 28.50°N 94.00°E / 28.50; 94.00 ^[1]

The 1947 Assam earthquake occurred on 29 July at 13:43 UTC with a magnitude of M_w 7.3. The earthquake was located near the border between India and Tibet. Some sources put the epicenter in Indian, and some put it in Tibet.^[2]^[3] In the Chinese literature, this earthquake was often located around the Nang County, Tibet.^[4]

In Dibrugarh, Jorhat, and Tezpur, there were cracks in walls. Failure of electricity was reported in Guwahati.^[3] The released seismic moment was about 1.5×10²⁰ Nm.^[5] The mechanism of the earthquake is not well known.^[6]

References

1 2 3 Engdahl, E. R.; Vallaseñor, A. (2002). "Global seismicity: 1900–1999". International Handbook of Earthquake & Engineering Seismology (PDF). Part A, Volume 81A (First ed.). Academic Press. p. 679. ISBN 978-0124406520.
↑ Paula Dunbar. "Significant Earthquakes Database". noaa.gov.
1 2 "Documentation on past disasters, their impact, measures taken, vulnerable areas in Assam" (PDF).
↑ "青藏块体8级左右地震前中强地震活动图像的相似性演化" by 朱红彬
↑ "Instantaneous deformation and kinematics of the India-Australia Plate" by M. Delescluse and N. Chamot-Rooke
↑ Sengupta, P.; Nath, S. K.; Thingbaijam, K. K. S.; Mistri, S. (2011). "Fractal analysis of major faults in India on a regional scale" (PDF). Journal of the Geological Society of India. Geological Society of India. 78: 229. doi:10.1007/s12594-011-0086-4.

Himalayan earthquakes

Notable Himalayan quakes	1897 Assam 1934 Nepal–Bihar 1947 Assam 1950 Assam–Tibet 1988 Nepal 1991 Uttarkashi 1999 Chamoli 2005 Kashmir 2008 Damxung 2009 Bhutan 2011 Sikkim April 2015 Nepal May 2015 Nepal

Plate tectonics	Geology of the Himalayas Indian Plate Eurasian Plate Oldham Fault Himalayan Frontal Fault North Himalayan Normal Fault

Earthquakes in China

Historical	1290 Chihli (Inner Mongolia) 1303 Hongdong 1556 Shaanxi 1786 Kangding-Luding, Sichuan 1879 Gansu

Contemporary	1918 Shantou, Guangdong 1920 Haiyuan, Ningxia 1925 Dali, Yunnan 1927 Gulang, Gansu 1931 Fuyun, Xinjiang 1932 Changma 1933 Diexi, Sichuan 1947 Assam 1948 Litang, Sichuan 1950 Assam – Tibet 1955 Yuzha, Sichuan 1966 Xingtai, Hebei 1969 Bohai Sea 1969 Yangjiang, Guangdong 1970 Tonghai, Yunnan 1974 Zhaotong, Yunnan 1975 Haicheng, Liaoning 1976 Tangshan, Hebei 1976 Songpan–Pingwu, Sichuan 1981 Dawu, Sichuan 1985 Luquan, Yunnan 1985 Wuqia, Xinjiang 1994 Taiwan Strait 1995 Wuding, Yunnan 1996 Lijiang, Yunnan 1996 Baotou, Inner Mongolia 1997 Jiashi, Xinjiang 1997 Manyi, Tibet 1998 Ninglang, Yunnan 2000 Yunnan 2001 Kunlun 2003 Bachu, Xinjiang 2003 Zhaosu, Xinjiang 2005 Ruichang, Jiangxi 2006 Yanjin, Yunnan 2008 Sichuan 2008 Yingjiang, Yunnan 2008 Panzhihua, Sichuan 2008 Damxung, Tibet 2009 Xinjiang 2009 Yunnan 2010 Yushu, Qinghai 2011 Yunnan 2011 Burma 2012 Yangzhou, Jiangsu 2012 Zhaotong, Yunnan 2013 Lushan, Sichuan 2013 Dingxi, Gansu 2014 Yutian, Xinjiang 2014 Yingjiang, Yunnan 2014 Ludian, Yunnan 2014 Jinggu, Yunnan 2014 Kangding, Sichuan 2015 Pishan, Xinjiang

By province	Sichuan

Organizations	China Meteorological Administration China Earthquake Administration China Earthquake Networks Center China Geological Survey

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1947 Assam earthquake

See also

References