M8.1 earthquake 21 km NNE of Minas de Marcona, Peru
A magnitude 8.1 earthquake struck 21 km NNE of Minas de Marcona, Peru on Mon, Aug 24, 1942, 5:50 PM GMT-5 (22:50 UTC), 30 km (19 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 8.1 (mw), great
- Local time
- UTC
- 1942-08-24 22:50:31 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 15.041° S, 75.025° W
- Region
- Peru
- Strongest shaking
- VII, very strong 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
- VII, very strong shaking
- Peak ground acceleration
- 29.9% of gravity
- Peak ground velocity
- 3.5 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.
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 3 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 iscgem900444. Read Tue, Sep 22, 2026, 8:28 AM UTC.