M4.6 earthquake Flores Sea
A magnitude 4.6 earthquake struck in the Flores Sea on Sun, Sep 13, 1981, 4:39 AM GMT+8 (20:39 UTC), 280 km (174 mi) below the surface.
A larger quake followed: M4.9 76 km N of Bima, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-09-12 20:39:06 UTC
- Depth
- 280.0 km (174.0 mi), intermediate-depth
- Epicenter
- 7.619° S, 119.488° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.976 km N of Bima, Indonesia · 16443 days ago · 10 km deep · 79 km away
- 3.950 km NW of Labuan Bajo, Indonesia · 16435 days ago · 197 km deep · 58 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001fuc. Read Tue, Sep 22, 2026, 8:40 AM UTC.