M4.8 earthquake 139 km NNE of Tual, Indonesia
A magnitude 4.8 earthquake struck 139 km NNE of Tual, Indonesia on Fri, Aug 7, 1987, 12:11 AM GMT+9 (15:11 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 196 km NE 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
- 4.8 (mb), light
- Local time
- UTC
- 1987-08-06 15:11:49 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 4.555° S, 133.412° 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 1.8 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00037a2. Read Tue, Sep 22, 2026, 6:16 AM UTC.