M5.6 earthquake 20 km SSE of Acarí, Peru
A magnitude 5.6 earthquake struck 20 km SSE of Acarí, Peru on Fri, Feb 13, 1981, 2:58 PM GMT-5 (19:58 UTC), 65 km (40 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mb), moderate
- Local time
- UTC
- 1981-02-13 19:58:52 UTC
- Depth
- 65.0 km (40.4 mi), shallow
- Epicenter
- 15.594° S, 74.529° W
- Region
- Peru
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 4.2% of gravity
- Peak ground velocity
- 0.3 cm/s
- Map
- Automatic
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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c5q (also filed as gcmtb021381b, gcmt19810213195852, iscgem631242). Read Mon, Sep 21, 2026, 10:23 PM UTC.