M4.0 earthquake 74 km NW of Antofagasta, Chile
A magnitude 4.0 earthquake struck 74 km NW of Antofagasta, Chile on Sat, Aug 9, 2014, 8:40 AM GMT-4 (12:40 UTC), 26 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2014-08-09 12:40:09 UTC
- Depth
- 25.9 km (16.1 mi), shallow
- Epicenter
- 23.126° S, 70.854° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.0 Mwr
- Nodal plane 1
- Strike 346°, dip 45°, rake 90°
- Nodal plane 2
- Strike 165°, dip 45°, rake 90°
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.05
- Depth from
- FROM_LOCATION
- Station coverage gap
- 166°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 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 usb000s1k9. Read Sat, Oct 3, 2026, 3:55 PM UTC.