1972 Ruisui earthquake

1972 Ruisui earthquake
Date April 24, 1972 (1972-04-24)
Magnitude 7.2 Ms
Depth 15 km
Epicenter 23°30′N 121°24′E / 23.5°N 121.4°E / 23.5; 121.4
Areas affected Taiwan
Casualties 5

The 1972 Ruisui earthquake (also known as the 1972 Juisui earthquake) occurred on April 24 at 17:57 local time. The magnitude of this earthquake was given as Ms 7.2[1] by the United States Geological Survey and ML 6.9 by the Central Weather Bureau of Taiwan.[2] The epicenter was located near Ruisui Township, Hualien County, Taiwan. The intensity was shindo 4 in Taipei and Hualien.[3] Five people were reported dead. The Ruisui Bridge (Chinese: 瑞穗大橋) was destroyed.[4] The water treatment plant in Ruisui was damaged.

This earthquake was caused by the Juisui Fault with a vertical movement of 70 centimeters (28 in).[5][6] The Juisui Fault is a segment of the 150 kilometers (93 mi) long Longitudinal Valley Fault, which is a left-lateral fault with a reverse component.[7] The boundary between the Eurasian Plate and the Philippine Plate lies along the Longitudinal Valley Fault.[8]

See also

References

  1. ↑ http://neic.usgs.gov/neis/eq_depot/1999/eq_990920/setting.html
  2. ↑ http://www.cwb.gov.tw/V6/education/encyclopedia/eq100-all.pdf
  3. ↑ http://ir.lib.ntnu.edu.tw/ir/retrieve/20542/ntnulib_ja_B0001_0009_063.pdf
  4. ↑ http://eng6.swcb.gov.tw/wuhe/manager/down/file/%E7%91%9E%E7%A9%97%E9%84%89%E5%BF%97%20%20%E5%A4%A7%E4%BA%8B%E8%A8%98.pdf
  5. ↑ http://gisapsrv01.cpami.gov.tw/CPIS/cprpts/hualien/total/tab-img/tab1-3.htm
  6. ↑ http://cgsweb.moeacgs.gov.tw/Result/921/5.%E6%9D%8E%E5%85%83%E5%B8%8C.pdf
  7. ↑ http://twgeoref.moeacgs.gov.tw/storage/2008%5C20080070/eab.pdf
  8. ↑ Structure and evolution of the active fold-and thrust belt of southwestern Taiwan from Global Positioning System analysis, J. B. Hickman, D. V. Wiltschko, J.-H. Hung, P. Fang, Y. Bock. Geology and geophysics of an arc-continent collision, Taiwan, T. B. Byrne, C.-S. Liu, 2002.


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