M4.2 earthquake 28 km SSE of Mazo Cruz, Peru
A magnitude 4.2 earthquake struck 28 km SSE of Mazo Cruz, Peru on Tue, Aug 24, 2021, 4:10 PM GMT-5 (21:10 UTC), 188 km (117 mi) below the surface.
A larger quake followed: M4.6 67 km ENE of Estique, 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
- 2021-08-24 21:10:06 UTC
- Depth
- 188.5 km (117.1 mi), intermediate-depth
- Epicenter
- 16.968° S, 69.581° 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 8.3 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.340 km ENE of Palca, Peru · 1858 days ago · 162 km deep · 78 km away
- 4.330 km NNE of Mazo Cruz, Peru · 1856 days ago · 192 km deep · 55 km away
- 4.667 km ENE of Estique, Peru · 1852 days ago · 169 km deep · 51 km away
- 4.310 km S of Ilave, Peru · 1826 days ago · 218 km deep · 88 km away
- 4.245 km NW of Mazo Cruz, Peru · 1814 days ago · 182 km deep · 74 km away
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000f3dx. Read Sat, Oct 3, 2026, 6:22 AM UTC.