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1931 Southwest Sumatra earthquake

From Wikipedia, the free encyclopedia

1931 Southwest Sumatra earthquake
UTC time1931-09-25 05:59:51
ISC event907033
Local date25 September 1925 (1925-09-25)
Local time12:59
Magnitude7.3 Mw[1]
Depth35 km (22 mi)[1]
Epicenter5°11′S 102°31′E / 5.18°S 102.51°E / -5.18; 102.51[1]
Areas affectedIndonesia
Tsunami1 m

The 1931 Southwest Sumatra earthquake occurred on 25 September at 05:59 UTC. It was located between the Enggano Island and Sumatra, Indonesia, then under the rule of Dutch East Indies.[2] It had a magnitude of Mw 7.3,[1] or Ms 7.5.[3][4]

The earthquake occurred off southwest Sumatra. Some huts were shifted by about 0.5 metre. The earthquake could be felt in Padang, more than 500 km away and in Bandung, about 600 km away. It was reported that the earthquake was even felt in Pamekasan, Madura Island, about 1250 km away. A tsunami of 1 metre high was reported.[2]

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See also


  1. ^ a b c d Engdahl, E. R.; Vallaseñor, A. (2002). "Global seismicity: 1900–1999" (PDF). International Handbook of Earthquake & Engineering Seismology. Part A, Volume 81A (First ed.). Academic Press. p. 676. ISBN 978-0124406520.
  2. ^ a b National Geophysical Data Center / World Data Service (NGDC/WDS) (1972), Significant Earthquake Database (Data Set), National Geophysical Data Center, NOAA, doi:10.7289/V5TD9V7K
  3. ^ Puspito, Nanang T.; Gunawan, Indra (December 2005). "Tsunami Sources in the Sumatra Region, Indonesia and Simulation of the 26 December 2004. Aceh Tsunami" (PDF). ISET Journal of Earthquake Technology. Paper No. 459. 42 (4): 111–125.
  4. ^ Newcomb, K. R.; McCann, W. R. (1987). "Seismic history and seismotectonics of the Sunda Arc" (PDF). Journal of Geophysical Research. 92 (B1): 421. Bibcode:1987JGR....92..421N. doi:10.1029/JB092iB01p00421.

External links

This page was last edited on 13 March 2019, at 00:46
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