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2003 Taungdwingyi earthquake

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Earthquake in Myanmar
2003 Taungdwingyi earthquake
epicenterepicenter2003 Taungdwingyi earthquake (Myanmar)
UTC time2003-09-21 18:16:13
ISC event7131681
USGS-ANSSComCat
Local date21 September 2003
Local time00:46 Myanmar Standard Time
Magnitude6.6 Mwb
6.8 Ms 
Depth10.0 km
Epicenter19°55′01″N 95°40′19″E / 19.917°N 95.672°E / 19.917; 95.672
FaultGwegyo Thrust
TypeOblique-slip
Areas affectedMyanmar
Max. intensityMMI VII (Very strong)
LandslidesYes
AftershocksYes
Casualties7–10 killed, 42 injured

The 2003 Taungdwingyi earthquake struck central Myanmar at midnight, on 21 September with a magnitude of Mwb  6.6.

Geology

The earthquake occurred due to shallow strike-slip faulting. The source fault is located along the eastern foothills of the Pego Yoma range, and adjacent to the Sagaing Fault. Its epicenter is centered southeast of the nearby town of Taungdwingyi, at least 50 km from the Sagaing Fault and 360 km from Yangon. Shaking was felt in Bangkok and Chiang Mai. Numerous aftershocks were recorded in the region. Four of them were greater than M5.0.

Damage and casualties

At least seven people were killed and 43 were injured. Damage was severe, over 180 ritual houses were destroyed, including a primary school that collapsed. Liquefaction, sand boils and landslides were also reported. The small death toll is attributed to the fact that this quake occurred around midnight, therefore the collapse of the school did not result in any injuries.

See also

References

  1. Hurukawa, Nobuo; Maung Maung, Phyo (2011). "Two seismic gaps on the Sagaing Fault, Myanmar, derived from relocation of historical earthquakes since 1918". Geophysical Research Letters. 38 (1). American Geophysical Union. Bibcode:2011GeoRL..38.1310H. doi:10.1029/2010GL046099. S2CID 129866068.
  2. "M 6.6 - 16 km SE of Taungdwingyi, Myanmar". earthquake.usgs.gov. United States Geological Survey. Retrieved 9 April 2022.
  3. Fadil, Wardah; Lindsey, Eric O.; Maung, Phyo Maung; Luo, Heng; Swe, Tint Lwin; Tun, Pa Pa; Wei, Shengji (2021). "The January 11, 2018, Mw 6.0 Bago-Yoma, Myanmar Earthquake: A Shallow Thrust Event Within the Deforming Bago-Yoma Range". Journal of Geophysical Research: Solid Earth. 126 (7). American Geophysical Union. Bibcode:2021JGRB..12621313F. doi:10.1029/2020JB021313. hdl:10356/152801.
  4. "Myanmar struck by strong earthquake". AFP. Sep 22, 2003.
  5. "M 5.2 - Myanmar". US Geological Survey.
  6. "M 5.3 - Myanmar". US Geological Survey.
  7. "M 5.1 - Myanmar". US Geological Survey.
  8. "M 5.0 - Myanmar". US Geological Survey.
  9. "Taungdwingyi Earthquake (2003)".
  10. "EARTHQUAKE AND TSUNAMI HAZARD IN MYANMAR". June 9, 2009 9:4 WSPC/238-JET 00048Journal of Earthquake and Tsunami. 3.
Earthquakes and plate tectonics in Myanmar
Pre-20th century
20th century
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Fault zones and tectonic plates
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