M4.4 earthquake 61 km W of Valparaíso, Chile
A magnitude 4.4 earthquake struck 61 km W of Valparaíso, Chile on Fri, Feb 19, 2021, 7:48 AM GMT-3 (10:48 UTC), 25 km (15 mi) below the surface.
A larger quake followed: M5.2 85 km WSW of San Antonio, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-19 10:48:37 UTC
- Depth
- 24.6 km (15.3 mi), shallow
- Epicenter
- 33.101° S, 72.280° W
- Region
- Chile
- Felt reports
- 9
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
9 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 4.4 Mwr
- Nodal plane 1
- Strike 192°, dip 76°, rake 134°
- Nodal plane 2
- Strike 296°, dip 46°, rake 19°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.9 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 71°
- Stations used
- 61
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.9Off the coast of Valparaiso, Chile · 2046 days ago · 22 km deep · 85 km away · felt by 1
- 4.1Near the coast of Valparaiso, Chile · 2031 days ago · 24 km deep · 64 km away · felt by 6
- 4.131 km SW of Valparaíso, Chile · 2030 days ago · 24 km deep · 38 km away · felt by 11
- 5.185 km WSW of San Antonio, Chile · 1993 days ago · 13 km deep · 98 km away · felt by 42
- 5.285 km WSW of San Antonio, Chile · 1993 days ago · 9 km deep · 99 km away · felt by 23
- 5.181 km WSW of San Antonio, Chile · 1993 days ago · 10 km deep · 97 km away · felt by 17
- 5.079 km WSW of San Antonio, Chile · 1993 days ago · 10 km deep · 96 km away · felt by 17
- 4.281 km WSW of San Antonio, Chile · 1993 days ago · 3 km deep · 97 km away
- 4.281 km WSW of San Antonio, Chile · 1993 days ago · 10 km deep · 98 km away · felt by 1
- 4.478 km WSW of San Antonio, Chile · 1992 days ago · 10 km deep · 94 km away · felt by 5
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000diw0. Read Sat, Oct 3, 2026, 1:38 AM UTC.