M4.3 earthquake 89 km WSW of San Antonio, Chile
A magnitude 4.3 earthquake struck 89 km WSW of San Antonio, Chile on Fri, Jun 18, 2021, 2:33 PM GMT-4 (18:33 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 28 km NW of Cartagena, 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
- 2021-06-18 18:33:39 UTC
- Depth
- 10.1 km (6.3 mi), shallow
- Epicenter
- 33.895° S, 72.504° 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 3.8 km horizontally, 4.8 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 99°
- Stations used
- 75
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 5 in the 30 days before it.
After
Before
- 4.324 km NNW of Cartagena, Chile · 1935 days ago · 29 km deep · 97 km away · felt by 39
- 4.566 km SW of San Antonio, Chile · 1937 days ago · 18 km deep · 34 km away · felt by 2
- 5.157 km WSW of San Antonio, Chile · 1940 days ago · 15 km deep · 33 km away · felt by 26
- 4.354 km WSW of San Antonio, Chile · 1940 days ago · 23 km deep · 35 km away · felt by 3
- 4.332 km W of San Antonio, Chile · 1945 days ago · 31 km deep · 61 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ee86. Read Sun, Oct 4, 2026, 7:01 AM UTC.