Peru earthquakes

M4.2 earthquake 44 km WSW of Chilca, Peru

A magnitude 4.2 earthquake struck 44 km WSW of Chilca, Peru on Sun, Oct 13, 1974, 2:52 AM GMT-5 (07:52 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.5 54 km SW of Santiago de Surco, Peru. This one was a foreshock.

Villa Poeta José Gálvez Barrenechea forecastMore in Peru

Map

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

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The earthquake

Magnitude
4.2 (mb), light
Local time
UTC
1974-10-13 07:52:48 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
12.634° S, 77.131° 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.

Depth from
OPERATOR_ASSIGNED
Stations used
7

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 21 in the 30 days before it.

After

  1. 4.045 km WSW of San Bartolo, Peru · 18972 days ago · 33 km deep · 9 km away
  2. 4.215 km SW of Chilca, Peru · 18970 days ago · 57 km deep · 32 km away
  3. 4.554 km SW of Santiago de Surco, Peru · 18961 days ago · 60 km deep · 22 km away
  4. 4.996 km WSW of Callao, Peru · 18952 days ago · 33 km deep · 81 km away
  5. 7.287 km SW of Callao, Peru · 18945 days ago · 6 km deep · 73 km away
  6. 5.451 km SW of Chilca, Peru · 18940 days ago · 33 km deep · 24 km away

Before

  1. 4.2115 km SW of Asia, Peru · 18973 days ago · 33 km deep · 91 km away
  2. 4.8101 km WSW of Chilca, Peru · 18974 days ago · 33 km deep · 60 km away
  3. 5.368 km SW of Callao, Peru · 18975 days ago · 27 km deep · 56 km away
  4. 4.937 km SW of Mala, Peru · 18975 days ago · 33 km deep · 37 km away
  5. 4.883 km SW of Callao, Peru · 18976 days ago · 33 km deep · 66 km away
  6. 4.451 km WSW of Chilca, Peru · 18976 days ago · 33 km deep · 12 km away
  7. 4.575 km SW of San Vicente de Cañete, Peru · 18978 days ago · 33 km deep · 96 km away
  8. 5.091 km WSW of Callao, Peru · 18978 days ago · 33 km deep · 98 km away
  9. 4.381 km WSW of Callao, Peru · 18979 days ago · 19 km deep · 69 km away
  10. 4.4108 km SW of Callao, Peru · 18980 days ago · 33 km deep · 71 km away
  11. 4.774 km WSW of Callao, Peru · 18980 days ago · 35 km deep · 74 km away
  12. 4.3107 km SW of Asia, Peru · 18981 days ago · 33 km deep · 85 km away
  13. 4.270 km SSW of Callao, Peru · 18981 days ago · 33 km deep · 34 km away
  14. 4.144 km W of Callao, Peru · 18981 days ago · 54 km deep · 73 km away
  15. 4.391 km WSW of San Vicente de Cañete, Peru · 18981 days ago · 26 km deep · 94 km away
  16. 4.980 km WSW of San Vicente de Cañete, Peru · 18981 days ago · 33 km deep · 89 km away
  17. 4.868 km SW of Callao, Peru · 18982 days ago · 33 km deep · 61 km away
  18. 4.893 km WSW of San Vicente de Cañete, Peru · 18982 days ago · 28 km deep · 96 km away
  19. 4.69 km NNE of Calango, Peru · 18982 days ago · 33 km deep · 71 km away
  20. 7.677 km WSW of Callao, Peru · 18982 days ago · 13 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00008d5. Read Tue, Sep 22, 2026, 8:17 AM UTC.