M4.7 earthquake 77 km SW of San Juan, Peru
A magnitude 4.7 earthquake struck 77 km SW of San Juan, Peru on Fri, Feb 27, 1981, 4:15 AM GMT-5 (09:15 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-02-27 09:15:09 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.871° S, 75.658° 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 1.7 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 usp0001cev. Read Tue, Sep 22, 2026, 6:38 AM UTC.