M5.1 earthquake 28 km SSW of Ocuviri, Peru
A magnitude 5.1 earthquake struck 28 km SSW of Ocuviri, Peru on Thu, Oct 31, 1974, 3:58 AM GMT-5 (08:58 UTC), 31 km (19 mi) below the surface.
A larger quake followed: M5.4 17 km WSW of Lampa, 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, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-10-31 08:58:18 UTC
- Depth
- 31.0 km (19.3 mi), shallow
- Epicenter
- 15.349° S, 71.029° W
- Region
- Peru
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.1 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.29 | Mw, moment | ISC-GEM global catalog | Final · ±0.28 |
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
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.214 km NNW of Vilavila, Peru · 18965 days ago · 83 km deep · 49 km away
- 5.417 km WSW of Lampa, Peru · 18958 days ago · 153 km deep · 55 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00008mk (also filed as iscgem737021). Read Sat, Oct 3, 2026, 12:47 PM UTC.