M4.2 earthquake 232 km SW of Tual, Indonesia
A magnitude 4.2 earthquake struck 232 km SW of Tual, Indonesia on Fri, Sep 4, 1987, 11:48 PM GMT+9 (14:48 UTC), 123 km (76 mi) below the surface.
A larger quake followed: M4.7 215 km WSW 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
- 4.2 (mb), light
- Local time
- UTC
- 1987-09-04 14:48:01 UTC
- Depth
- 122.5 km (76.1 mi), intermediate-depth
- Epicenter
- 7.084° S, 131.234° 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 usp000383b. Read Tue, Sep 22, 2026, 12:10 PM UTC.