M5.1 earthquake 36 km NNW of Ayna, Peru
A magnitude 5.1 earthquake struck 36 km NNW of Ayna, Peru on Tue, Mar 8, 1977, 9:51 AM GMT-5 (14:51 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M5.6 66 km N of Ayna, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1977-03-08 14:51:45 UTC
- Depth
- 43.0 km (26.7 mi), shallow
- Epicenter
- 12.334° S, 74.000° 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
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.666 km N of Ayna, Peru · 18094 days ago · 14 km deep · 31 km away
- 4.752 km NE of Paucarbamba, Peru · 18094 days ago · 31 km deep · 23 km away
- 4.545 km NNW of Ayna, Peru · 18094 days ago · 34 km deep · 11 km away
- 4.928 km WNW of Ayna, Peru · 18088 days ago · 50 km deep · 27 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000mur (also filed as iscgem700847). Read Tue, Sep 22, 2026, 7:03 AM UTC.