M4.3 earthquake 81 km WSW of Callao, Peru
A magnitude 4.3 earthquake struck 81 km WSW of Callao, Peru on Sat, Oct 5, 1974, 10:50 PM GMT-5 (03:50 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M5.0 91 km WSW of Callao, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1974-10-06 03:50:25 UTC
- Depth
- 19.0 km (11.8 mi), shallow
- Epicenter
- 12.461° S, 77.739° 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.
- Stations used
- 11
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 10 in the 30 days before it.
After
- 5.091 km WSW of Callao, Peru · 18978 days ago · 33 km deep · 32 km away
- 4.451 km WSW of Chilca, Peru · 18976 days ago · 33 km deep · 70 km away
- 4.883 km SW of Callao, Peru · 18976 days ago · 33 km deep · 6 km away
- 5.368 km SW of Callao, Peru · 18975 days ago · 27 km deep · 15 km away
- 4.8101 km WSW of Chilca, Peru · 18975 days ago · 33 km deep · 63 km away
- 4.244 km WSW of Chilca, Peru · 18972 days ago · 33 km deep · 69 km away
- 4.045 km WSW of San Bartolo, Peru · 18972 days ago · 33 km deep · 64 km away
- 4.215 km SW of Chilca, Peru · 18971 days ago · 57 km deep · 99 km away
- 4.554 km SW of Santiago de Surco, Peru · 18961 days ago · 60 km deep · 48 km away
- 4.996 km WSW of Callao, Peru · 18952 days ago · 33 km deep · 16 km away
- 7.287 km SW of Callao, Peru · 18945 days ago · 6 km deep · 7 km away
- 5.451 km SW of Chilca, Peru · 18940 days ago · 33 km deep · 84 km away
Before
- 4.4108 km SW of Callao, Peru · 18980 days ago · 33 km deep · 39 km away
- 4.774 km WSW of Callao, Peru · 18980 days ago · 35 km deep · 13 km away
- 4.270 km SSW of Callao, Peru · 18981 days ago · 33 km deep · 36 km away
- 4.144 km W of Callao, Peru · 18981 days ago · 54 km deep · 46 km away
- 4.887 km W of Callao, Peru · 18982 days ago · 26 km deep · 44 km away
- 4.6117 km WSW of Callao, Peru · 18982 days ago · 33 km deep · 41 km away
- 4.868 km SW of Callao, Peru · 18982 days ago · 33 km deep · 12 km away
- 5.0120 km WSW of Callao, Peru · 18982 days ago · 33 km deep · 39 km away
- 7.677 km WSW of Callao, Peru · 18982 days ago · 13 km deep · 23 km away
- 5.064 km SW of Callao, Peru · 18988 days ago · 41 km deep · 18 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000089t. Read Tue, Sep 22, 2026, 12:17 PM UTC.