M4.6 earthquake 20 km N of Sofifi, Indonesia
A magnitude 4.6 earthquake struck 20 km N of Sofifi, Indonesia on Fri, Aug 1, 1975, 3:45 AM GMT+9 (18:45 UTC), 21 km (13 mi) below the surface.
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
- 1975-07-31 18:45:10 UTC
- Depth
- 21.0 km (13.0 mi), shallow
- Epicenter
- 0.923° N, 127.576° 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.
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 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 usp0000c8m. Read Wed, Sep 23, 2026, 12:05 PM UTC.