Peru earthquakes

M4.8 earthquake 68 km SW of Callao, Peru

A magnitude 4.8 earthquake struck 68 km SW of Callao, Peru on Thu, Oct 3, 1974, 3:39 PM GMT-5 (20:39 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.0 91 km WSW of Callao, Peru. This one was a foreshock.

Callao 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
4.8 (ms), light
Local time
UTC
1974-10-03 20:39:24 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
12.403° S, 77.644° 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
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 20 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.6117 km WSW of Callao, Peru · 18982 days ago · 33 km deep · 52 km away
  2. 4.887 km W of Callao, Peru · 18982 days ago · 26 km deep · 45 km away
  3. 4.144 km W of Callao, Peru · 18981 days ago · 54 km deep · 36 km away
  4. 4.270 km SSW of Callao, Peru · 18981 days ago · 33 km deep · 32 km away
  5. 4.774 km WSW of Callao, Peru · 18980 days ago · 35 km deep · 13 km away
  6. 4.4108 km SW of Callao, Peru · 18980 days ago · 33 km deep · 47 km away
  7. 4.381 km WSW of Callao, Peru · 18979 days ago · 19 km deep · 12 km away
  8. 5.091 km WSW of Callao, Peru · 18978 days ago · 33 km deep · 36 km away
  9. 4.451 km WSW of Chilca, Peru · 18976 days ago · 33 km deep · 65 km away
  10. 4.883 km SW of Callao, Peru · 18976 days ago · 33 km deep · 15 km away
  11. 4.937 km SW of Mala, Peru · 18976 days ago · 33 km deep · 97 km away
  12. 5.368 km SW of Callao, Peru · 18975 days ago · 27 km deep · 6 km away
  13. 4.8101 km WSW of Chilca, Peru · 18975 days ago · 33 km deep · 67 km away
  14. 4.244 km WSW of Chilca, Peru · 18972 days ago · 33 km deep · 61 km away
  15. 4.045 km WSW of San Bartolo, Peru · 18972 days ago · 33 km deep · 56 km away
  16. 4.215 km SW of Chilca, Peru · 18971 days ago · 57 km deep · 90 km away
  17. 4.554 km SW of Santiago de Surco, Peru · 18961 days ago · 60 km deep · 40 km away
  18. 4.996 km WSW of Callao, Peru · 18952 days ago · 33 km deep · 28 km away
  19. 7.287 km SW of Callao, Peru · 18945 days ago · 6 km deep · 19 km away
  20. 5.451 km SW of Chilca, Peru · 18940 days ago · 33 km deep · 79 km away

Before

  1. 5.0120 km WSW of Callao, Peru · 18982 days ago · 33 km deep · 52 km away
  2. 7.677 km WSW of Callao, Peru · 18982 days ago · 13 km deep · 22 km away
  3. 5.064 km SW of Callao, Peru · 18988 days ago · 41 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000088d. Read Tue, Sep 22, 2026, 11:13 AM UTC.