M4.0 earthquake 94 km NNW of Sinabang, Indonesia
A magnitude 4.0 earthquake struck 94 km NNW of Sinabang, Indonesia on Mon, Feb 23, 1981, 11:24 AM GMT+7 (04:24 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1981-02-23 04:24:24 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 3.257° N, 96.021° E
- Region
- Indonesia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cb9. Read Mon, Sep 28, 2026, 4:41 AM UTC.