M4.4 earthquake 53 km SW of Pacocha, Peru
A magnitude 4.4 earthquake struck 53 km SW of Pacocha, Peru on Wed, Oct 7, 1981, 3:03 AM GMT-5 (08:03 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 22 km SSW of Islay (Matarani), Peru. 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 (mb), light
- Local time
- UTC
- 1981-10-07 08:03:21 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.955° S, 71.734° 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.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
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 todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001gay. Read Wed, Sep 30, 2026, 3:53 PM UTC.