M3.9 earthquake 78 km ENE of Tobelo, Indonesia
A magnitude 3.9 earthquake struck 78 km ENE of Tobelo, Indonesia on Mon, Sep 7, 1981, 7:53 AM GMT+9 (22:53 UTC), 63 km (39 mi) below the surface.
A larger quake followed: M4.6 133 km NNE of Tobelo, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1981-09-06 22:53:20 UTC
- Depth
- 62.9 km (39.1 mi), shallow
- Epicenter
- 2.077° N, 128.628° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.583 km NNE of Tobelo, Indonesia · 16448 days ago · 258 km deep · 41 km away
- 4.6133 km NNE of Tobelo, Indonesia · 16424 days ago · 147 km deep · 99 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001fqj. Read Wed, Sep 30, 2026, 7:13 PM UTC.