M4.5 earthquake 48 km SW of Villa General Roca, Argentina
A magnitude 4.5 earthquake struck 48 km SW of Villa General Roca, Argentina on Mon, Feb 28, 1977, 6:37 AM GMT-3 (09:37 UTC), 188 km (117 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1977-02-28 09:37:01 UTC
- Depth
- 188.0 km (116.8 mi), intermediate-depth
- Epicenter
- 32.968° S, 66.824° W
- Region
- Argentina
- 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.
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 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 usp0000mrt. Read Tue, Sep 22, 2026, 9:33 PM UTC.