M4.2 earthquake 15 km SW of Chilca, Peru
A magnitude 4.2 earthquake struck 15 km SW of Chilca, Peru on Mon, Oct 14, 1974, 5:36 PM GMT-5 (22:36 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M4.5 54 km SW of Santiago de Surco, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 1974-10-14 22:36:15 UTC
- Depth
- 57.0 km (35.4 mi), shallow
- Epicenter
- 12.620° S, 76.841° 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
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 16 in the 30 days before it.
After
- 4.554 km SW of Santiago de Surco, Peru · 18962 days ago · 60 km deep · 51 km away
- 5.451 km SW of Chilca, Peru · 18940 days ago · 33 km deep · 36 km away
Before
- 4.045 km WSW of San Bartolo, Peru · 18972 days ago · 33 km deep · 35 km away
- 4.244 km WSW of Chilca, Peru · 18973 days ago · 33 km deep · 32 km away
- 4.8101 km WSW of Chilca, Peru · 18975 days ago · 33 km deep · 87 km away
- 5.368 km SW of Callao, Peru · 18975 days ago · 27 km deep · 85 km away
- 4.937 km SW of Mala, Peru · 18976 days ago · 33 km deep · 29 km away
- 4.883 km SW of Callao, Peru · 18976 days ago · 33 km deep · 97 km away
- 4.451 km WSW of Chilca, Peru · 18977 days ago · 33 km deep · 37 km away
- 4.575 km SW of San Vicente de Cañete, Peru · 18978 days ago · 33 km deep · 96 km away
- 4.381 km WSW of Callao, Peru · 18980 days ago · 19 km deep · 99 km away
- 4.3107 km SW of Asia, Peru · 18981 days ago · 33 km deep · 100 km away
- 4.270 km SSW of Callao, Peru · 18981 days ago · 33 km deep · 66 km away
- 4.144 km W of Callao, Peru · 18981 days ago · 54 km deep · 94 km away
- 4.980 km WSW of San Vicente de Cañete, Peru · 18982 days ago · 33 km deep · 92 km away
- 4.868 km SW of Callao, Peru · 18982 days ago · 33 km deep · 90 km away
- 4.69 km NNE of Calango, Peru · 18982 days ago · 33 km deep · 41 km away
- 5.064 km SW of Callao, Peru · 18988 days ago · 41 km deep · 83 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00008dp. Read Tue, Sep 22, 2026, 7:45 PM UTC.