M4.0 earthquake 80 km W of Illapel, Chile
A magnitude 4.0 earthquake struck 80 km W of Illapel, Chile on Wed, Sep 12, 2018, 4:31 PM GMT-3 (19:31 UTC), 35 km (21 mi) below the surface.
A larger quake followed: M4.3 132 km WNW 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
- 4.0 (ml), light
- Local time
- UTC
- 2018-09-12 19:31:14 UTC
- Depth
- 34.6 km (21.5 mi), shallow
- Epicenter
- 31.529° S, 72.008° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.5 km horizontally, 16.6 km in depth
- Depth from
- From location
- Station coverage gap
- 196°, poorly surrounded by stations
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.936 km SSW of Ovalle, Chile · 2931 days ago · 47 km deep · 92 km away
- 4.3132 km WNW of Illapel, Chile · 2882 days ago · 15 km deep · 54 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000hdlc. Read Sun, Sep 27, 2026, 6:44 PM UTC.