M4.1 earthquake 77 km W of Ovalle, Chile
A magnitude 4.1 earthquake struck 77 km W of Ovalle, Chile on Sun, Aug 2, 2020, 4:46 AM GMT-4 (08:46 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M6.3 40 km NW of Ovalle, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-08-02 08:46:49 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 30.541° S, 72.004° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 161°, dip 77°, rake 68°
- Nodal plane 2
- Strike 42°, dip 25°, rake 148°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 150°
- Stations used
- 55
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.530 km W of Coquimbo, Chile · 2244 days ago · 39 km deep · 71 km away
- 4.644 km SW of Coquimbo, Chile · 2242 days ago · 62 km deep · 48 km away
- 6.340 km NW of Ovalle, Chile · 2218 days ago · 30 km deep · 54 km away · felt by 115
- 4.446 km WNW of Ovalle, Chile · 2215 days ago · 25 km deep · 41 km away
- 4.846 km SSW of Coquimbo, Chile · 2207 days ago · 35 km deep · 48 km away · felt by 5
- 4.745 km WSW of Ovalle, Chile · 2201 days ago · 31 km deep · 37 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000b8aw. Read Fri, Oct 2, 2026, 11:55 PM UTC.