M4.4 earthquake 78 km SSW of Pacocha, Peru
A magnitude 4.4 earthquake struck 78 km SSW of Pacocha, Peru on Sun, Jan 24, 2016, 12:12 PM GMT-5 (17:12 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M5.2 52 km WSW of Arica, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-01-24 17:12:00 UTC
- Depth
- 20.9 km (13.0 mi), shallow
- Epicenter
- 18.328° S, 71.541° W
- Region
- Peru
- 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
- 4.4 Mwr
- Nodal plane 1
- Strike 340°, dip 31°, rake 74°
- Nodal plane 2
- Strike 179°, dip 60°, rake 99°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.5 km horizontally, 7.1 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 172°
- Stations used
- 35
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 2 in the 30 days before it.
After
- 5.252 km WSW of Arica, Chile · 3866 days ago · 33 km deep · 94 km away · felt by 3
- 3.921 km W of Pacocha, Peru · 3858 days ago · 54 km deep · 78 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10004gv2. Read Fri, Oct 2, 2026, 11:33 AM UTC.