M3.9 earthquake 188 km SSW of Sofifi, Indonesia
A magnitude 3.9 earthquake struck 188 km SSW of Sofifi, Indonesia on Sun, Mar 30, 1986, 1:08 PM GMT+9 (04:08 UTC), 50 km (31 mi) below the surface.
A larger quake followed: M5.3 191 km SSW of Sofifi, 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
- 1986-03-30 04:08:08 UTC
- Depth
- 50.0 km (31.1 mi), shallow
- Epicenter
- 0.892° S, 127.072° 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: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.3191 km SSW of Sofifi, Indonesia · 14787 days ago · 40 km deep · 6 km away
- 6.2200 km SSW of Ternate, Indonesia · 14776 days ago · 13 km deep · 24 km away
- 4.9230 km SSW of Ternate, Indonesia · 14776 days ago · 71 km deep · 51 km away
- 4.6198 km SSW of Ternate, Indonesia · 14772 days ago · 33 km deep · 43 km away
- 4.6109 km SSW of Ternate, Indonesia · 14765 days ago · 86 km deep · 82 km away
- 4.8199 km S of Sofifi, Indonesia · 14759 days ago · 46 km deep · 57 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002sek. Read Wed, Sep 23, 2026, 12:18 PM UTC.