M4.3 earthquake 89 km W of Illapel, Chile
A magnitude 4.3 earthquake struck 89 km W of Illapel, Chile on Fri, Oct 15, 2021, 2:41 AM GMT-3 (05:41 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 83 km W 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 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-10-15 05:41:39 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 31.687° S, 72.111° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 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 5.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 194°, poorly surrounded by stations
- Stations used
- 38
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.178 km W of Illapel, Chile · 1814 days ago · 18 km deep · 11 km away
- 4.483 km W of Illapel, Chile · 1814 days ago · 10 km deep · 7 km away · felt by 1
- 3.983 km W of Illapel, Chile · 1814 days ago · 16 km deep · 6 km away
- 4.280 km W of Illapel, Chile · 1811 days ago · 20 km deep · 10 km away · felt by 5
- 4.080 km WNW of Illapel, Chile · 1798 days ago · 12 km deep · 43 km away · felt by 4
- 4.449 km SW of Illapel, Chile · 1774 days ago · 44 km deep · 60 km away · felt by 1
- 4.065 km W of La Ligua, Chile · 1771 days ago · 21 km deep · 79 km away · felt by 2
Before
- 4.089 km W of Illapel, Chile · 1826 days ago · 18 km deep · 3 km away
- 4.689 km W of Illapel, Chile · 1826 days ago · 17 km deep · 0 km away · felt by 8
- 4.698 km WSW of Illapel, Chile · 1844 days ago · 10 km deep · 16 km away · felt by 7
- 4.698 km WNW of La Ligua, Chile · 1844 days ago · 10 km deep · 47 km away · felt by 1
- 4.4105 km WNW of La Ligua, Chile · 1844 days ago · 20 km deep · 56 km away · felt by 1
- 4.9103 km WNW of La Ligua, Chile · 1845 days ago · 11 km deep · 49 km away · felt by 17
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000futa. Read Sun, Oct 4, 2026, 8:58 AM UTC.