M4.7 earthquake 45 km WNW of Minas de Marcona, Peru
A magnitude 4.7 earthquake struck 45 km WNW of Minas de Marcona, Peru on Wed, Aug 14, 1985, 2:45 AM GMT-5 (07:45 UTC), 33 km (21 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
- 4.7 (mb), light
- Local time
- UTC
- 1985-08-14 07:45:00 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.065° S, 75.504° 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: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.460 km WSW of Changuillo, Peru · 15014 days ago · 33 km deep · 23 km away
- 5.755 km WNW of Minas de Marcona, Peru · 15010 days ago · 33 km deep · 10 km away
- 5.443 km WNW of Minas de Marcona, Peru · 14998 days ago · 78 km deep · 7 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hqm. Read Tue, Sep 22, 2026, 8:43 PM UTC.