M4.0 earthquake 98 km WNW of Iquique, Chile
A magnitude 4.0 earthquake struck 98 km WNW of Iquique, Chile on Fri, Dec 11, 2015, 8:14 PM GMT-3 (23:14 UTC), 33 km (20 mi) below the surface.
A larger quake followed: M4.5 98 km WNW of Iquique, 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 (mwr), light
- Local time
- UTC
- 2015-12-11 23:14:03 UTC
- Depth
- 32.8 km (20.3 mi), shallow
- Epicenter
- 19.935° S, 71.045° 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
- Normal
- Moment magnitude
- 4.0 Mwr
- Nodal plane 1
- Strike 344°, dip 56°, rake -111°
- Nodal plane 2
- Strike 199°, dip 39°, rake -61°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.4 km horizontally, 8.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 179°
- 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: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.598 km WNW of Iquique, Chile · 3946 days ago · 15 km deep · 1 km away
- 3.8107 km WNW of Iquique, Chile · 3938 days ago · 10 km deep · 10 km away
- 4.245 km W of Iquique, Chile · 3894 days ago · 22 km deep · 55 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20004gmr. Read Wed, Sep 30, 2026, 3:23 PM UTC.