M4.9 earthquake 173 km NW of Hell-Ville, Madagascar
A magnitude 4.9 earthquake struck 173 km NW of Hell-Ville, Madagascar on Mon, Oct 4, 1982, 3:51 AM GMT+3 (00:51 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
- 4.9 (mb), light
- Local time
- UTC
- 1982-10-04 00:51:01 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 12.218° S, 47.212° E
- Region
- Madagascar
- 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 1.9 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001q0h. Read Tue, Sep 22, 2026, 4:05 PM UTC.