M4.2 earthquake 63 km W of Coquimbo, Chile
A magnitude 4.2 earthquake struck 63 km W of Coquimbo, Chile on Mon, Sep 13, 2021, 1:12 AM GMT-3 (04:12 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M4.8 29 km NNW 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
- 4.2 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-09-13 04:12:28 UTC
- Depth
- 11.4 km (7.1 mi), shallow
- Epicenter
- 30.029° S, 71.995° 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
- 4.2 Mwr
- Nodal plane 1
- Strike 351°, dip 22°, rake 85°
- Nodal plane 2
- Strike 176°, dip 68°, rake 92°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.5 km horizontally, 2.7 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 146°
- Stations used
- 79
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.531 km W of Coquimbo, Chile · 1842 days ago · 20 km deep · 32 km away · felt by 2
- 4.46 km SSW of Coquimbo, Chile · 1834 days ago · 45 km deep · 60 km away · felt by 7
- 4.533 km WSW of Ovalle, Chile · 1833 days ago · 39 km deep · 90 km away
- 4.484 km NW of Coquimbo, Chile · 1818 days ago · 10 km deep · 70 km away
- 4.829 km NNW of Ovalle, Chile · 1796 days ago · 50 km deep · 78 km away · felt by 13
Before
- 4.255 km WSW of Ovalle, Chile · 1854 days ago · 24 km deep · 79 km away
- 4.435 km WSW of Coquimbo, Chile · 1855 days ago · 25 km deep · 28 km away · felt by 1
- 4.442 km NW of Coquimbo, Chile · 1860 days ago · 32 km deep · 43 km away
- 4.218 km W of Ovalle, Chile · 1862 days ago · 69 km deep · 83 km away · felt by 6
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fanv. Read Sun, Oct 4, 2026, 6:56 PM UTC.