M4.9 earthquake 66 km WSW of Coquimbo, Chile
A magnitude 4.9 earthquake struck 66 km WSW of Coquimbo, Chile on Tue, Oct 21, 1975, 7:51 PM GMT-3 (22:51 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-10-21 22:51:17 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 30.242° S, 71.945° W
- Region
- Chile
- 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
- Stations used
- 6
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 usp0000d7v. Read Fri, Oct 2, 2026, 9:02 AM UTC.