M5.5 earthquake 132 km SSW of Komodo, Indonesia
A magnitude 5.5 earthquake struck 132 km SSW of Komodo, Indonesia on Thu, Apr 2, 1981, 5:49 AM GMT+8 (21:49 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb), moderate
- Local time
- UTC
- 1981-04-01 21:49:04 UTC
- Depth
- 25.2 km (15.7 mi), shallow
- Epicenter
- 9.664° S, 118.961° E
- Region
- Indonesia
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 7.3% 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001czn (also filed as atlas19810401214904, iscgem627656). Read Tue, Sep 22, 2026, 8:46 AM UTC.