M6.0 earthquake 49 km SW of Ambon, Indonesia
A magnitude 6.0 earthquake struck 49 km SW of Ambon, Indonesia on Sat, Mar 12, 1983, 9:53 AM GMT+9 (00:53 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.7 49 km SW of Ambon, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (ms), strong
- Local time
- UTC
- 1983-03-12 00:53:40 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 4.036° S, 127.893° E
- Region
- Indonesia
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 7.6% of gravity
- Peak ground velocity
- 1.4 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.0 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.2101 km SSW of Ambon, Indonesia · 15907 days ago · 33 km deep · 54 km away
- 6.749 km SW of Ambon, Indonesia · 15907 days ago · 17 km deep · 4 km away
- 4.922 km SW of Ambon, Indonesia · 15907 days ago · 33 km deep · 27 km away
- 4.865 km S of Ambon, Indonesia · 15907 days ago · 33 km deep · 35 km away
- 5.250 km SSW of Ambon, Indonesia · 15907 days ago · 21 km deep · 18 km away
- 5.570 km SW of Ambon, Indonesia · 15905 days ago · 29 km deep · 21 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001tk0 (also filed as gcmtb031283a, gcmt19830312005340, iscgem580514). Read Tue, Sep 29, 2026, 10:58 AM UTC.