M5.8 earthquake 69 km SE of Sinabang, Indonesia
A magnitude 5.8 earthquake struck 69 km SE of Sinabang, Indonesia on Thu, Feb 21, 1957, 5:28 AM GMT+7:30 (21:58 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M6.2 74 km WSW of Singkil, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1957-02-20 21:58:29 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 2.099° N, 96.877° E
- Region
- Indonesia
- Strongest shaking
- IV, light 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
- IV, light shaking
- Peak ground acceleration
- 5.4% of gravity
- Peak ground velocity
- 1.4 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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.8 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem885976. Read Thu, Oct 1, 2026, 12:37 PM UTC.