M5.1 earthquake 257 km S of Boyolangu, Indonesia
A magnitude 5.1 earthquake struck 257 km S of Boyolangu, Indonesia on Wed, Nov 20, 1985, 9:49 AM GMT+7 (02:49 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-11-20 02:49:44 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 10.449° S, 111.817° 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 2.1 and up: 1 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 usp0002myx. Read Sat, Oct 3, 2026, 5:24 AM UTC.