M4.3 earthquake 103 km WSW of Illapel, Chile
A magnitude 4.3 earthquake struck 103 km WSW of Illapel, Chile on Thu, Jul 23, 2020, 2:00 AM GMT-4 (06:00 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 71 km WNW of La Ligua, 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
- 2020-07-23 06:00:06 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 31.911° S, 72.213° 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 I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.0 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 115°
- Stations used
- 56
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.471 km WNW of La Ligua, Chile · 2259 days ago · 25 km deep · 39 km away · felt by 1
- 4.157 km W of La Ligua, Chile · 2236 days ago · 35 km deep · 62 km away
- 4.150 km WSW of Illapel, Chile · 2216 days ago · 62 km deep · 54 km away
- 4.360 km WNW of Illapel, Chile · 2207 days ago · 56 km deep · 63 km away · felt by 1
Before
- 4.251 km W of Illapel, Chile · 2274 days ago · 35 km deep · 54 km away
- 4.460 km W of Illapel, Chile · 2283 days ago · 35 km deep · 56 km away · felt by 3
- 5.244 km NW of La Ligua, Chile · 2290 days ago · 35 km deep · 66 km away · felt by 34
- 3.850 km WNW of La Ligua, Chile · 2291 days ago · 35 km deep · 61 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000b2gl. Read Fri, Oct 2, 2026, 4:34 AM UTC.