M4.1 earthquake 67 km NW of Copiapó, Chile
A magnitude 4.1 earthquake struck 67 km NW of Copiapó, Chile on Fri, Jul 24, 2015, 9:50 PM GMT-3 (00:50 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M4.4 85 km WSW of Copiapó, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mwr), light
- Local time
- UTC
- 2015-07-25 00:50:07 UTC
- Depth
- 55.1 km (34.2 mi), shallow
- Epicenter
- 26.942° S, 70.826° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 336°, dip 22°, rake 43°
- Nodal plane 2
- Strike 205°, dip 75°, rake 107°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.6 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.06
- 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 3 in the 30 days before it.
After
- 4.485 km WSW of Copiapó, Chile · 4056 days ago · 20 km deep · 94 km away
- 4.2114 km W of Diego de Almagro, Chile · 4051 days ago · 35 km deep · 86 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000300e. Read Sun, Sep 27, 2026, 12:13 PM UTC.