1622 North Guyuan earthquake

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1622 North Guyuan earthquake
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Local dateOctober 25, 1622 (1622-10-25)
Magnitude7.0 Ms [1]
Epicenter 36°30′N106°18′E / 36.5°N 106.3°E / 36.5; 106.3 Coordinates: 36°30′N106°18′E / 36.5°N 106.3°E / 36.5; 106.3 [1]
Max. intensity X (Extreme) [1]
Casualties12,000 [1]

The 1622 North Guyuan earthquake struck Ningxia, China on 25 October with a magnitude of 7.0 Ms and a maximum Mercalli intensity of X (Extreme). It was the only recorded big earthquake in western China for 148 years, between 1561 and 1709. [2] The earthquake occurred on the "rake of the Zhongwei-Tongxin fault", with a mid-seismogenic depth of about 15 kilometres (9.3 mi). [3]

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Lists of 20th-century earthquakes Wikipedia list article

This list of 20th-century earthquakes is a global list of notable earthquakes that occurred in the 20th century. After 1900 most earthquakes have some degree of instrumental records and this means that the locations and magnitudes are more reliable than for earlier events. To prevent this list becoming unmanageable, only those of magnitude 6 and above are included unless they are notable for some other reason.

The 2003 Altai earthquake, or 2003 Chuya earthquake, occurred on September 27 at 18:33:26 local time with a moment magnitude of 7.3 and a maximum Mercalli intensity of X (Extreme). The epicenter of this oblique-slip shock was in Altai Republic, Russia near the borders of Mongolia, China, and Kazakhstan. Three deaths and five injuries were reported and the total damage was listed as $10.6–33 million.

The 1931 Fuyun earthquake (富蕴地震) occurred on August 10 at 21:18 UTC. The epicenter was near Fuyun County of northern Xinjiang, China. It was a Mw 8.0 earthquake and had a surface rupture of 171 km with a maximal horizontal displacement of 14 m along the Koktokay-Ertai fault zone (可可托海-二台断裂带). The Koktokay-Ertai fault has a slip rate of 4±2 mm per year. The rupture of this earthquake was caused by right-lateral strike-slip movement with normal component. The rupture is well preserved and becomes one of the main features of the Koktokay National Geopark (可可托海国家地质公园) located in Koktokay.

The 1290 Chihli earthquake occurred on 27 September with an epicenter near Ningcheng, Zhongshu Sheng, Yuan Empire. This region is today administered as part of Inner Mongolia, China. The earthquake had an estimated surface wave magnitude of 6.8 and a maximum felt intensity of IX (Violent) on the Mercalli intensity scale. One estimate places the death toll at 7,270, while another has it at 100,000.

The 1947 Assam earthquake occurred on 29 July at 13:43 UTC with an Mw of 7.3 and a maximum EMS-98 intensity of V (Strong).

The 1948 Litang earthquake (1948年理塘地震) occurred on May 28, 1948 at 07:11 UTC. It was located near Litang, China. Now situated in the Sichuan Province, Litang County was then called Lihua (理化) County and belonged to the defunct Xikang Province. The earthquake had a magnitude of Mw 7.2, or Ms 7.3.

The 1869 Cachar earthquake occurred on 10 January with an estimated moment magnitude of 7.4 and a maximum EMS-98 intensity of VII (Damaging). Two people were killed and damage was considered severe. The earthquake was felt in Upper Burma, Bihar, Jharkhand, Bengal and Northeast India.

The 1978 Izu Ōshima earthquake is an earthquake that occurred on January 14, 1978 at 12:24 local time. The earthquake had a magnitude of MJMA7.0, and the epicenter was located in offshore Izu Ōshima, Japan.

References

  1. 1 2 3 4 National Geophysical Data Center / World Data Service (NGDC/WDS), Significant Earthquake Information, National Geophysical Data Center, NOAA, doi:10.7289/V5TD9V7K
  2. ↑ Mukherjee, Saumitra (1 May 2006). Earthquake Prediction. CRC Press. p. 22. ISBN   978-90-474-1807-8.
  3. ↑ 地球物理学报. 科学出版社. 2008. p. 1780.


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