M4.5 earthquake 24 km SSE of Mazo Cruz, Peru
A magnitude 4.5 earthquake struck 24 km SSE of Mazo Cruz, Peru on Sat, Jul 31, 2021, 8:46 AM GMT-5 (13:46 UTC), 177 km (110 mi) below the surface.
A larger quake followed: M4.6 16 km NW of Pujocucho, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-07-31 13:46:17 UTC
- Depth
- 177.2 km (110.1 mi), intermediate-depth
- Epicenter
- 16.950° S, 69.644° W
- Region
- Peru
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.6 km horizontally, 8.4 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 99°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.616 km NW of Pujocucho, Peru · 1885 days ago · 20 km deep · 85 km away
- 4.317 km WNW of Palca, Peru · 1866 days ago · 102 km deep · 96 km away · felt by 1
- 4.228 km SSE of Mazo Cruz, Peru · 1865 days ago · 188 km deep · 7 km away · felt by 1
- 4.340 km ENE of Palca, Peru · 1858 days ago · 162 km deep · 80 km away
- 4.330 km NNE of Mazo Cruz, Peru · 1856 days ago · 192 km deep · 52 km away
- 4.667 km ENE of Estique, Peru · 1852 days ago · 169 km deep · 55 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f0zl. Read Sat, Oct 3, 2026, 4:19 AM UTC.