M5.4 earthquake 42 km WNW of Minas de Marcona, Peru
A magnitude 5.4 earthquake struck 42 km WNW of Minas de Marcona, Peru on Tue, Aug 13, 1985, 12:29 AM GMT-5 (05:29 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M5.7 55 km WNW of Minas de Marcona, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1985-08-13 05:29:19 UTC
- Depth
- 25.5 km (15.8 mi), shallow
- Epicenter
- 15.040° S, 75.466° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.549 km WNW of Minas de Marcona, Peru · 15021 days ago · 33 km deep · 14 km away
- 4.745 km WNW of Minas de Marcona, Peru · 15021 days ago · 33 km deep · 5 km away
- 4.460 km WSW of Changuillo, Peru · 15020 days ago · 33 km deep · 25 km away
- 5.755 km WNW of Minas de Marcona, Peru · 15016 days ago · 33 km deep · 14 km away
- 5.443 km WNW of Minas de Marcona, Peru · 15005 days ago · 78 km deep · 3 km away
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hp9 (also filed as gcmtb081385b, gcmt19850813052919, iscgem517966). Read Tue, Sep 29, 2026, 1:21 PM UTC.