M4.3 earthquake 49 km NW of Valparaíso, Chile
A magnitude 4.3 earthquake struck 49 km NW of Valparaíso, Chile on Mon, Oct 25, 2021, 11:39 AM GMT-3 (14:39 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M4.4 49 km SW of Illapel, 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 (ML, local (Richter)), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-10-25 14:39:39 UTC
- Depth
- 27.1 km (16.9 mi), shallow
- Epicenter
- 32.674° S, 71.947° W
- Region
- Chile
- Felt reports
- 7
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
7 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.6 km horizontally, 12.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 174°
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.35 km NNW of Quillota, Chile · 1789 days ago · 61 km deep · 65 km away · felt by 25
- 4.449 km SW of Illapel, Chile · 1774 days ago · 44 km deep · 90 km away · felt by 1
- 4.065 km W of La Ligua, Chile · 1771 days ago · 21 km deep · 33 km away · felt by 2
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000fxe9. Read Sun, Oct 4, 2026, 5:57 AM UTC.