M4.2 earthquake 161 km NW of Sorong, Indonesia
A magnitude 4.2 earthquake struck 161 km NW of Sorong, Indonesia on Wed, Apr 1, 1987, 11:49 AM GMT+9 (02:49 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 Papua region, 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
- 1987-04-01 02:49:45 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 0.102° N, 130.186° 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: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.8Papua region, Indonesia · 14413 days ago · 33 km deep · 26 km away
- 4.6141 km NNW of Sorong, Indonesia · 14412 days ago · 33 km deep · 42 km away
- 5.3167 km NW of Sorong, Indonesia · 14412 days ago · 33 km deep · 9 km away
- 4.8170 km NW of Sorong, Indonesia · 14410 days ago · 33 km deep · 11 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00033tk. Read Tue, Sep 22, 2026, 4:51 PM UTC.