M4.2 earthquake 90 km S of Pacocha, Peru
A magnitude 4.2 earthquake struck 90 km S of Pacocha, Peru on Sat, Sep 11, 2021, 5:01 AM GMT-5 (10:01 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.4 90 km S of Pacocha, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-09-11 10:01:49 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 18.451° S, 71.488° 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.
- Location uncertainty
- About 6.3 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 140°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.396 km SSW of Pacocha, Peru · 1848 days ago · 35 km deep · 26 km away
- 4.490 km S of Pacocha, Peru · 1848 days ago · 35 km deep · 15 km away · felt by 1
- 4.397 km S of Pacocha, Peru · 1848 days ago · 47 km deep · 10 km away
- 4.366 km S of Pacocha, Peru · 1839 days ago · 50 km deep · 36 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000faa4. Read Sat, Oct 3, 2026, 11:16 AM UTC.