M4.2 earthquake 92 km WNW of Iquique, Chile
A magnitude 4.2 earthquake struck 92 km WNW of Iquique, Chile on Thu, Jan 1, 2015, 8:39 PM GMT-3 (23:39 UTC), 14 km (9 mi) below the surface.
A larger quake followed: M4.6 85 km W 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
- 4.2 (mwr), light
- Local time
- UTC
- 2015-01-01 23:39:47 UTC
- Depth
- 14.2 km (8.8 mi), shallow
- Epicenter
- 19.945° S, 70.988° 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
- 4.2 Mwr
- Nodal plane 1
- Strike 352°, dip 28°, rake 102°
- Nodal plane 2
- Strike 159°, dip 63°, rake 84°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- FROM_LOCATION
- Station coverage gap
- 113°
- Stations used
- 50
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.155 km WSW of Iquique, Chile · 4280 days ago · 33 km deep · 53 km away
- 4.381 km WNW of Iquique, Chile · 4268 days ago · 34 km deep · 14 km away
- 4.299 km WNW of Iquique, Chile · 4249 days ago · 16 km deep · 18 km away
- 4.476 km W of Iquique, Chile · 4247 days ago · 33 km deep · 34 km away
- 4.2118 km WNW of Iquique, Chile · 4245 days ago · 34 km deep · 27 km away
- 4.685 km W of Iquique, Chile · 4237 days ago · 13 km deep · 15 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000tb79. Read Tue, Sep 29, 2026, 2:24 PM UTC.