Peru earthquakes

M4.0 earthquake 45 km WSW of San Bartolo, Peru

A magnitude 4.0 earthquake struck 45 km WSW of San Bartolo, Peru on Sun, Oct 13, 1974, 12:34 PM GMT-5 (17:34 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M7.2 87 km SW of Callao, 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
4.0 (mb), light
Local time
UTC
1974-10-13 17:34:28 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
12.559° S, 77.157° 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
5

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 21 in the 30 days before it.

After

  1. 4.215 km SW of Chilca, Peru · 18979 days ago · 57 km deep · 35 km away
  2. 4.554 km SW of Santiago de Surco, Peru · 18969 days ago · 60 km deep · 16 km away
  3. 4.996 km WSW of Callao, Peru · 18961 days ago · 33 km deep · 77 km away
  4. 7.287 km SW of Callao, Peru · 18953 days ago · 6 km deep · 69 km away
  5. 5.451 km SW of Chilca, Peru · 18948 days ago · 33 km deep · 33 km away

Before

  1. 4.244 km WSW of Chilca, Peru · 18980 days ago · 33 km deep · 9 km away
  2. 4.2115 km SW of Asia, Peru · 18982 days ago · 33 km deep · 98 km away
  3. 4.8101 km WSW of Chilca, Peru · 18983 days ago · 33 km deep · 64 km away
  4. 5.368 km SW of Callao, Peru · 18983 days ago · 27 km deep · 50 km away
  5. 4.937 km SW of Mala, Peru · 18984 days ago · 33 km deep · 46 km away
  6. 4.883 km SW of Callao, Peru · 18984 days ago · 33 km deep · 62 km away
  7. 4.451 km WSW of Chilca, Peru · 18984 days ago · 33 km deep · 20 km away
  8. 5.091 km WSW of Callao, Peru · 18986 days ago · 33 km deep · 92 km away
  9. 4.381 km WSW of Callao, Peru · 18987 days ago · 19 km deep · 64 km away
  10. 4.4108 km SW of Callao, Peru · 18988 days ago · 33 km deep · 71 km away
  11. 4.774 km WSW of Callao, Peru · 18988 days ago · 35 km deep · 68 km away
  12. 4.3107 km SW of Asia, Peru · 18989 days ago · 33 km deep · 92 km away
  13. 4.270 km SSW of Callao, Peru · 18989 days ago · 33 km deep · 32 km away
  14. 4.144 km W of Callao, Peru · 18989 days ago · 54 km deep · 65 km away
  15. 4.887 km W of Callao, Peru · 18990 days ago · 26 km deep · 97 km away
  16. 4.980 km WSW of San Vicente de Cañete, Peru · 18990 days ago · 33 km deep · 98 km away
  17. 4.868 km SW of Callao, Peru · 18990 days ago · 33 km deep · 56 km away
  18. 4.69 km NNE of Calango, Peru · 18990 days ago · 33 km deep · 72 km away
  19. 5.0120 km WSW of Callao, Peru · 18990 days ago · 33 km deep · 98 km away
  20. 7.677 km WSW of Callao, Peru · 18990 days ago · 13 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00008d9. Read Wed, Sep 30, 2026, 12:39 PM UTC.