M4.9 earthquake 69 km NNW of La Serena, Chile
A magnitude 4.9 earthquake struck 69 km NNW of La Serena, Chile on Fri, Feb 19, 2021, 3:54 AM GMT-3 (06:54 UTC), 39 km (24 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-19 06:54:30 UTC
- Depth
- 39.0 km (24.2 mi), shallow
- Epicenter
- 29.352° S, 71.595° W
- Region
- Chile
- Felt reports
- 5
- 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 |
|---|---|---|---|
| 4.9 | Mwr, regional moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.051 · 37 stations |
| 5.04 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Did you feel it?
5 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
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
- 4.9 Mwr
- Nodal plane 1
- Strike 358°, dip 66°, rake 103°
- Nodal plane 2
- Strike 147°, dip 27°, rake 62°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.5 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 142°
- Stations used
- 61
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.369 km N of La Serena, Chile · 2011 days ago · 52 km deep · 27 km away · felt by 2
- 4.4108 km WSW of Vallenar, Chile · 2008 days ago · 23 km deep · 45 km away · felt by 4
Before
- 4.457 km N of La Serena, Chile · 2056 days ago · 42 km deep · 36 km away · felt by 1
- 4.111 km NW of Coquimbo, Chile · 2059 days ago · 36 km deep · 62 km away
- 4.320 km NNW of La Serena, Chile · 2070 days ago · 40 km deep · 50 km away · felt by 1
- 4.356 km NNE of La Serena, Chile · 2071 days ago · 58 km deep · 46 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000diut (also filed as iscgem619841789). Read Fri, Oct 2, 2026, 7:14 PM UTC.