Peru earthquakes

M4.4 earthquake 51 km WSW of Chilca, Peru

A magnitude 4.4 earthquake struck 51 km WSW of Chilca, Peru on Tue, Oct 8, 1974, 9:59 PM GMT-5 (02:59 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.8 83 km SW of Callao, 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
4.4 (mb), light
Local time
UTC
1974-10-09 02:59:00 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
12.739° S, 77.156° 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
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.883 km SW of Callao, Peru · 18976 days ago · 33 km deep · 67 km away
  2. 4.937 km SW of Mala, Peru · 18976 days ago · 33 km deep · 32 km away
  3. 5.368 km SW of Callao, Peru · 18975 days ago · 27 km deep · 59 km away
  4. 4.8101 km WSW of Chilca, Peru · 18975 days ago · 33 km deep · 51 km away
  5. 4.2115 km SW of Asia, Peru · 18974 days ago · 33 km deep · 79 km away
  6. 4.244 km WSW of Chilca, Peru · 18973 days ago · 33 km deep · 12 km away
  7. 4.045 km WSW of San Bartolo, Peru · 18972 days ago · 33 km deep · 20 km away
  8. 4.215 km SW of Chilca, Peru · 18971 days ago · 57 km deep · 37 km away
  9. 4.554 km SW of Santiago de Surco, Peru · 18962 days ago · 60 km deep · 28 km away
  10. 4.996 km WSW of Callao, Peru · 18953 days ago · 33 km deep · 81 km away
  11. 7.287 km SW of Callao, Peru · 18945 days ago · 6 km deep · 73 km away
  12. 5.451 km SW of Chilca, Peru · 18940 days ago · 33 km deep · 15 km away

Before

  1. 4.575 km SW of San Vicente de Cañete, Peru · 18978 days ago · 33 km deep · 85 km away
  2. 4.381 km WSW of Callao, Peru · 18980 days ago · 19 km deep · 70 km away
  3. 4.4108 km SW of Callao, Peru · 18980 days ago · 33 km deep · 66 km away
  4. 4.774 km WSW of Callao, Peru · 18981 days ago · 35 km deep · 77 km away
  5. 4.3107 km SW of Asia, Peru · 18981 days ago · 33 km deep · 73 km away
  6. 4.270 km SSW of Callao, Peru · 18981 days ago · 33 km deep · 35 km away
  7. 4.144 km W of Callao, Peru · 18981 days ago · 54 km deep · 82 km away
  8. 4.391 km WSW of San Vicente de Cañete, Peru · 18982 days ago · 26 km deep · 83 km away
  9. 4.980 km WSW of San Vicente de Cañete, Peru · 18982 days ago · 33 km deep · 78 km away
  10. 4.868 km SW of Callao, Peru · 18982 days ago · 33 km deep · 65 km away
  11. 4.893 km WSW of San Vicente de Cañete, Peru · 18982 days ago · 28 km deep · 85 km away
  12. 4.69 km NNE of Calango, Peru · 18982 days ago · 33 km deep · 78 km away
  13. 5.0120 km WSW of Callao, Peru · 18982 days ago · 33 km deep · 98 km away
  14. 7.677 km WSW of Callao, Peru · 18982 days ago · 13 km deep · 87 km away
  15. 5.064 km SW of Callao, Peru · 18988 days ago · 41 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00008b2. Read Tue, Sep 22, 2026, 8:04 PM UTC.