M4.7 earthquake 28 km ENE of Antofagasta, Chile
A magnitude 4.7 earthquake struck 28 km ENE of Antofagasta, Chile on Tue, Jan 25, 1977, 3:11 AM GMT-3 (06:11 UTC), 26 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-01-25 06:11:00 UTC
- Depth
- 26.0 km (16.2 mi), shallow
- Epicenter
- 23.598° S, 70.119° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.7 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.31 | Mw, moment | ISC-GEM global catalog | Final · ±0.25 |
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
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 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 usp0000mbd (also filed as iscgem703947). Read Thu, Oct 1, 2026, 5:38 PM UTC.