M4.3 earthquake 20 km NNW of La Serena, Chile
A magnitude 4.3 earthquake struck 20 km NNW of La Serena, Chile on Mon, Feb 1, 2021, 12:56 AM GMT-3 (03:56 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M4.9 69 km NNW of La Serena, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-01 03:56:16 UTC
- Depth
- 40.0 km (24.8 mi), shallow
- Epicenter
- 29.722° S, 71.302° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.9 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 160°
- Stations used
- 51
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
- 4.111 km NW of Coquimbo, Chile · 2059 days ago · 36 km deep · 23 km away
- 4.457 km N of La Serena, Chile · 2056 days ago · 42 km deep · 38 km away · felt by 1
- 4.969 km NNW of La Serena, Chile · 2052 days ago · 39 km deep · 50 km away · felt by 5
- 4.151 km WNW of Ovalle, Chile · 2018 days ago · 35 km deep · 81 km away · felt by 3
- 4.369 km N of La Serena, Chile · 2011 days ago · 52 km deep · 49 km away · felt by 2
Before
- 4.356 km NNE of La Serena, Chile · 2071 days ago · 58 km deep · 39 km away
- 4.933 km SW of Coquimbo, Chile · 2084 days ago · 33 km deep · 56 km away · felt by 2
- 4.034 km WNW of Coquimbo, Chile · 2094 days ago · 21 km deep · 34 km away
- 4.230 km NW of Coquimbo, Chile · 2094 days ago · 28 km deep · 30 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ddjx. Read Fri, Oct 2, 2026, 11:40 PM UTC.