M4.7 earthquake 79 km SW of Vallenar, Chile
A magnitude 4.7 earthquake struck 79 km SW of Vallenar, Chile on Thu, Apr 22, 1976, 8:26 AM GMT-4 (12:26 UTC), 65 km (40 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
- 1976-04-22 12:26:43 UTC
- Depth
- 65.0 km (40.4 mi), shallow
- Epicenter
- 29.060° S, 71.364° 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 |
| 5.19 | Mw, moment | ISC-GEM global catalog | Final · ±0.2 |
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
- 25
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 usp0000g06 (also filed as iscgem715790). Read Thu, Oct 1, 2026, 4:21 PM UTC.