M4.2 earthquake 101 km SSW of Ambon, Indonesia
A magnitude 4.2 earthquake struck 101 km SSW of Ambon, Indonesia on Sat, Mar 12, 1983, 10:29 AM GMT+9 (01:29 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
- 4.2 (mb), light
- Local time
- UTC
- 1983-03-12 01:29:47 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 4.495° S, 127.728° 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: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.749 km SW of Ambon, Indonesia · 15901 days ago · 17 km deep · 53 km away
- 4.922 km SW of Ambon, Indonesia · 15901 days ago · 33 km deep · 80 km away
- 4.865 km S of Ambon, Indonesia · 15900 days ago · 33 km deep · 47 km away
- 5.250 km SSW of Ambon, Indonesia · 15900 days ago · 21 km deep · 53 km away
- 5.570 km SW of Ambon, Indonesia · 15898 days ago · 29 km deep · 34 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001tk1. Read Tue, Sep 22, 2026, 8:25 PM UTC.