M6.5 earthquake 157 km SSW of Pagar Alam, Indonesia
A magnitude 6.5 earthquake struck 157 km SSW of Pagar Alam, Indonesia on Fri, Feb 20, 1931, 1:00 AM GMT+7:20 (17:40 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.5 (mw), strong
- Local time
- UTC
- 1931-02-19 17:40:36 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 5.242° S, 102.513° E
- Region
- Indonesia
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 13.8% of gravity
- Peak ground velocity
- 2.4 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 3 in the 30 days before it.
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem906632. Read Tue, Sep 22, 2026, 10:26 AM UTC.