M3.9 earthquake 67 km NW of Tual, Indonesia
A magnitude 3.9 earthquake struck 67 km NW of Tual, Indonesia on Tue, Oct 28, 1986, 2:24 PM GMT+9 (05:24 UTC), 81 km (50 mi) below the surface.
A larger quake followed: M4.3 160 km NNW of Tual, 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
- 1986-10-28 05:24:58 UTC
- Depth
- 80.5 km (50.0 mi), intermediate-depth
- Epicenter
- 5.178° S, 132.341° 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: 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 usp0002zee. Read Wed, Sep 30, 2026, 1:33 AM UTC.