M4.6 earthquake 85 km S of Atico, Peru
A magnitude 4.6 earthquake struck 85 km S of Atico, Peru on Sat, Jul 18, 1981, 1:14 PM GMT-5 (18:14 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.7 89 km WSW of El Cardo, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-07-18 18:14:32 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.982° S, 73.626° 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 1.6 and up: 2 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 usp0001esy. Read Mon, Sep 21, 2026, 9:45 PM UTC.