Peru earthquakes

M4.6 earthquake 10 km NNW of Chuquitira, Peru

A magnitude 4.6 earthquake struck 10 km NNW of Chuquitira, Peru on Tue, May 18, 2021, 3:23 PM GMT-5 (20:23 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.9 15 km ENE of Ticaco, Peru. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.6 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-05-18 20:23:32 UTC
Depth
22.2 km (13.8 mi), shallow
Epicenter
17.200° S, 70.087° W
Region
Peru
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was VI, strong shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Strike-slip
Moment magnitude
4.6 Mwr
Nodal plane 1
Strike 80°, dip 56°, rake 162°
Nodal plane 2
Strike 180°, dip 76°, rake 36°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.2 km horizontally, 5.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
98°
Stations used
76

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 4.423 km ENE of Tarata, Peru · 1964 days ago · 10 km deep · 36 km away
  2. 4.915 km ENE of Ticaco, Peru · 1961 days ago · 5 km deep · 28 km away
  3. 4.221 km E of Estique, Peru · 1960 days ago · 10 km deep · 49 km away
  4. 4.716 km ENE of Tarata, Peru · 1954 days ago · 10 km deep · 32 km away
  5. 4.512 km ENE of Tarata, Peru · 1952 days ago · 17 km deep · 32 km away
  6. 4.527 km ESE of Estique, Peru · 1924 days ago · 10 km deep · 55 km away
  7. 4.19 km NE of Palca, Peru · 1915 days ago · 158 km deep · 59 km away
  8. 4.230 km SE of Palca, Peru · 1908 days ago · 131 km deep · 92 km away

Before

  1. 4.18 km SE of Chuquitira, Peru · 1965 days ago · 10 km deep · 19 km away
  2. 4.215 km E of Estique, Peru · 1967 days ago · 10 km deep · 42 km away
  3. 4.219 km E of Tarata, Peru · 1968 days ago · 10 km deep · 38 km away
  4. 4.021 km E of Estique, Peru · 1971 days ago · 10 km deep · 45 km away
  5. 5.42 km NW of Chuquitira, Peru · 1971 days ago · 10 km deep · 8 km away · felt by 4
  6. 4.419 km ENE of Estique, Peru · 1971 days ago · 10 km deep · 40 km away
  7. 4.020 km E of Estique, Peru · 1973 days ago · 10 km deep · 45 km away
  8. 4.414 km E of Chuquitira, Peru · 1973 days ago · 10 km deep · 21 km away
  9. 4.226 km ESE of Chuquitira, Peru · 1973 days ago · 10 km deep · 34 km away
  10. 4.15 km NE of Torata, Peru · 1977 days ago · 86 km deep · 78 km away
  11. 4.111 km ENE of Tarata, Peru · 1983 days ago · 10 km deep · 29 km away
  12. 4.332 km ESE of Chuquitira, Peru · 1983 days ago · 10 km deep · 40 km away
  13. 4.111 km ENE of Chuquitira, Peru · 1983 days ago · 10 km deep · 17 km away
  14. 4.716 km ENE of Tarata, Peru · 1984 days ago · 10 km deep · 30 km away · felt by 2
  15. 4.315 km ENE of Ticaco, Peru · 1988 days ago · 10 km deep · 28 km away · felt by 1
  16. 4.27 km NE of Locumba, Peru · 1993 days ago · 106 km deep · 78 km away
  17. 4.56 km WNW of Sama Grande, Peru · 1994 days ago · 28 km deep · 79 km away · felt by 7

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000e48g. Read Sun, Oct 4, 2026, 6:34 AM UTC.