M4.5 earthquake 131 km ESE of Antofagasta, Chile
A magnitude 4.5 earthquake struck 131 km ESE of Antofagasta, Chile on Wed, Oct 7, 2015, 11:42 PM GMT-3 (02:42 UTC), 102 km (63 mi) below the surface.
A larger quake followed: M5.3 105 km SW of San Pedro de Atacama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-10-08 02:42:24 UTC
- Depth
- 101.6 km (63.1 mi), intermediate-depth
- Epicenter
- 23.993° S, 69.155° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt at Antofagasta.
From the USGS event page for us10003l2j. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
1 person 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 5.0 km horizontally, 3.8 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 69°
- Stations used
- 45
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 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10003l2j. Read Thu, Oct 1, 2026, 3:47 AM UTC.