M6.4 earthquake 50 km WSW of Labuan, Indonesia
A magnitude 6.4 earthquake struck 50 km WSW of Labuan, Indonesia on Fri, Mar 22, 1985, 9:42 PM GMT+7 (14:42 UTC), 70 km (43 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1985-03-22 14:42:58 UTC
- Depth
- 69.7 km (43.3 mi), shallow
- Epicenter
- 6.584° S, 105.419° E
- Region
- Indonesia
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 13.0% of gravity
- Peak ground velocity
- 2.0 cm/s
- Map
- Automatic

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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.4 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.151 km NNW of Labuan, Indonesia · 15140 days ago · 67 km deep · 69 km away
- 4.693 km WSW of Labuan, Indonesia · 15124 days ago · 80 km deep · 45 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002d47 (also filed as gcmtb032285b, gcmt19850322144258, atlas19850322144258, iscgem530760). Read Thu, Sep 24, 2026, 1:01 PM UTC.