M4.2 earthquake 40 km SW of Taltal, Chile
A magnitude 4.2 earthquake struck 40 km SW of Taltal, Chile on Fri, Oct 23, 2015, 3:33 PM GMT-3 (18:33 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M6.2 65 km N of Taltal, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-10-23 18:33:49 UTC
- Depth
- 55.0 km (34.2 mi), shallow
- Epicenter
- 25.655° S, 70.785° 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 8.1 km horizontally, 3.8 km in depth
- Magnitude uncertainty
- ±0.37
- Stations used
- 0
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 1 in the 30 days before it.
After
- 6.265 km N of Taltal, Chile · 3963 days ago · 34 km deep · 94 km away · felt by 26
- 3.915 km S of Taltal, Chile · 3948 days ago · 58 km deep · 33 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10003r26. Read Sat, Oct 3, 2026, 2:29 PM UTC.