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2000 Yunnan earthquake

The 2000 Yunnan earthquake occurred on January 14 at 23:37 UTC, in Yunnan, China. The earthquake killed 7 people, and caused much damage in central Yunnan Province.

2000 Yunnan earthquake
UTC time2000-01-14 23:37:07
ISC event1884945
USGS-ANSSComCat
Local dateJanuary 15, 2000 (2000-01-15)
Local time07:37:07 CST
Magnitude5.9 Mw
Epicenter25°37′N 101°04′E / 25.61°N 101.06°E / 25.61; 101.06
TypeStrike-slip
Areas affectedChina
Max. intensityMMI VI (Strong)
Casualties7 killed
2,528 injured
92,479 displaced

The quake was moderate, with a magnitude of 5.9; however, it left 2,528 injured, 92,479 homeless and destroyed over 41,000 homes.[1]

It was preceded by a magnitude 5.5 foreshock at 22:09 on the same day.

Tectonic setting edit

Yunnan lies within the area affected by the continuing collision between the India Plate and the Eurasian Plate that has led to the formation of the Tibetan Plateau. Lateral eastward spreading of this zone of thickened crust is impeded by the presence of the South China Block and this causes clockwise rotation of the Sichuan–Yunnan block, accommodated by left-lateral strike-slip faults on its eastern margin and right lateral strike-slip faults to the west.[2]

Earthquake edit

The earthquake sequence started with two foreshocks at 22:09 (M5.5) and 22:23 (M3.9) on January 14.[3] The mainshock, which occurred soon afterwards at 23:37, had an estimated magnitude of 5.9 Mw  (ANSS), 6.0 Mw  or 6.5 Ms.[4] It was followed within the hour by a 4.5 Mw  aftershock.

Based on the aftershock distribution, the earthquake was the result of rupture along a fault with a strike of N50°W. The causative fault was most likely the right lateral Maweiqing fault, one of the faults that forms the western boundary of the Sichuan-Yunnan block.[4][2]

See also edit

References edit

  1. ^ "Today In Earthquake History: January 14". USGS. 2008-07-16. Retrieved 2008-11-05.
  2. ^ a b Qu, W.; Zhang, B.; Lu, Z.; Kim, J.W.; Zhang, Q.; Gao, M.; Hao, M.; Zhu, W.; Qu, F. (2019). "Source Parameter Estimation of the 2009 Ms6.0 Yao'an Earthquake, Southern China, Using InSAR Observations". Remote Sensing. 11 (4): 462. Bibcode:2019RemS...11..462Q. doi:10.3390/rs11040462.
  3. ^ ANSS. "Search results". Retrieved March 29, 2020.
  4. ^ a b Qin, J.; Ye, J.; Qian, X.; Li, B.; Wang, S. (2003). "Source Parameters of the 2000 Yao'an Earthquakes". Chinese Journal of Geophysics. 46 (5): 908–918. doi:10.1002/cjg2.411.

External links edit

  • The International Seismological Centre has a bibliography and/or authoritative data for this event.

2000, yunnan, earthquake, occurred, january, yunnan, china, earthquake, killed, people, caused, much, damage, central, yunnan, province, time2000, 07isc, event1884945usgs, ansscomcatlocal, datejanuary, 2000, 2000, local, time07, cstmagnitude5, mwepicenter25, 0. The 2000 Yunnan earthquake occurred on January 14 at 23 37 UTC in Yunnan China The earthquake killed 7 people and caused much damage in central Yunnan Province 2000 Yunnan earthquakeUTC time2000 01 14 23 37 07ISC event1884945USGS ANSSComCatLocal dateJanuary 15 2000 2000 01 15 Local time07 37 07 CSTMagnitude5 9 MwEpicenter25 37 N 101 04 E 25 61 N 101 06 E 25 61 101 06TypeStrike slipAreas affectedChinaMax intensityMMI VI Strong Casualties7 killed 2 528 injured 92 479 displaced The quake was moderate with a magnitude of 5 9 however it left 2 528 injured 92 479 homeless and destroyed over 41 000 homes 1 It was preceded by a magnitude 5 5 foreshock at 22 09 on the same day Contents 1 Tectonic setting 2 Earthquake 3 See also 4 References 5 External linksTectonic setting editYunnan lies within the area affected by the continuing collision between the India Plate and the Eurasian Plate that has led to the formation of the Tibetan Plateau Lateral eastward spreading of this zone of thickened crust is impeded by the presence of the South China Block and this causes clockwise rotation of the Sichuan Yunnan block accommodated by left lateral strike slip faults on its eastern margin and right lateral strike slip faults to the west 2 Earthquake editThe earthquake sequence started with two foreshocks at 22 09 M5 5 and 22 23 M3 9 on January 14 3 The mainshock which occurred soon afterwards at 23 37 had an estimated magnitude of 5 9 Mw ANSS 6 0 Mw or 6 5 Ms 4 It was followed within the hour by a 4 5 Mw aftershock Based on the aftershock distribution the earthquake was the result of rupture along a fault with a strike of N50 W The causative fault was most likely the right lateral Maweiqing fault one of the faults that forms the western boundary of the Sichuan Yunnan block 4 2 See also editList of earthquakes in 2000 List of earthquakes in Yunnan List of earthquakes in ChinaReferences edit Today In Earthquake History January 14 USGS 2008 07 16 Retrieved 2008 11 05 a b Qu W Zhang B Lu Z Kim J W Zhang Q Gao M Hao M Zhu W Qu F 2019 Source Parameter Estimation of the 2009 Ms6 0 Yao an Earthquake Southern China Using InSAR Observations Remote Sensing 11 4 462 Bibcode 2019RemS 11 462Q doi 10 3390 rs11040462 ANSS Search results Retrieved March 29 2020 a b Qin J Ye J Qian X Li B Wang S 2003 Source Parameters of the 2000 Yao an Earthquakes Chinese Journal of Geophysics 46 5 908 918 doi 10 1002 cjg2 411 External links editThe International Seismological Centre has a bibliography and or authoritative data for this event nbsp This article about an earthquake in Asia is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title 2000 Yunnan earthquake amp oldid 1188922927, wikipedia, wiki, book, books, library,

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