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. It had a magnitude of Mw 7.3, or Ms 7.5.
|UTC time||1931-09-25 05:59:51|
|Local date||25 September 1925|
|Depth||35 km (22 mi)|
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.
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- National Geophysical Data Center / World Data Service (NGDC/WDS) (1972), Significant Earthquake Database (Data Set), National Geophysical Data Center, NOAA, doi:10.7289/V5TD9V7K
- 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.
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