M4.6 earthquake 72 km NE of Puerto Ocopa, Peru
A magnitude 4.6 earthquake struck 72 km NE of Puerto Ocopa, Peru on Fri, Mar 17, 1978, 2:18 PM GMT-5 (19:18 UTC), 105 km (65 mi) below the surface.
A larger quake followed: M4.9 99 km NNE of Puerto Ocopa, 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
- 1978-03-17 19:18:23 UTC
- Depth
- 105.0 km (65.2 mi), intermediate-depth
- Epicenter
- 10.671° S, 73.858° 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.
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 1 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 usp0000tev. Read Tue, Sep 22, 2026, 10:10 PM UTC.