M5.5 earthquake 42 km WSW of Supe Puerto, Peru
A magnitude 5.5 earthquake struck 42 km WSW of Supe Puerto, Peru on Wed, Sep 22, 1971, 5:15 PM GMT-5 (22:15 UTC), 53 km (33 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1971-09-22 22:15:00 UTC
- Depth
- 53.2 km (33.1 mi), shallow
- Epicenter
- 10.957° S, 78.101° 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.
- Magnitude uncertainty
- ±0.38
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem780533. Read Tue, Sep 22, 2026, 9:19 PM UTC.