M4.1 earthquake 47 km NW of Valparaíso, Chile
A magnitude 4.1 earthquake struck 47 km NW of Valparaíso, Chile on Fri, Oct 26, 1973, 11:02 PM GMT-3 (02:02 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M4.5 44 km W of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 1973-10-27 02:02:13 UTC
- Depth
- 27.0 km (16.8 mi), shallow
- Epicenter
- 32.727° S, 71.983° W
- Region
- Chile
- 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
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 32 in the 30 days before it.
After
- 4.544 km W of Valparaíso, Chile · 19319 days ago · 24 km deep · 40 km away
- 4.857 km NNW of Valparaíso, Chile · 19311 days ago · 33 km deep · 23 km away
- 3.948 km WSW of Valparaíso, Chile · 19302 days ago · 24 km deep · 51 km away
- 4.831 km SW of Valparaíso, Chile · 19302 days ago · 33 km deep · 59 km away
Before
- 4.933 km SW of Valparaíso, Chile · 19330 days ago · 38 km deep · 57 km away
- 4.580 km WSW of Illapel, Chile · 19337 days ago · 69 km deep · 83 km away
- 5.134 km WSW of Valparaíso, Chile · 19338 days ago · 29 km deep · 44 km away
- 4.540 km SW of Valparaíso, Chile · 19340 days ago · 46 km deep · 58 km away
- 4.055 km W of Valparaíso, Chile · 19342 days ago · 33 km deep · 44 km away
- 4.259 km WSW of Valparaíso, Chile · 19343 days ago · 33 km deep · 57 km away
- 4.348 km WSW of Valparaíso, Chile · 19344 days ago · 33 km deep · 57 km away
- 5.045 km W of Valparaíso, Chile · 19344 days ago · 21 km deep · 40 km away
- 4.624 km WNW of Valparaíso, Chile · 19344 days ago · 33 km deep · 26 km away
- 4.741 km WSW of Valparaíso, Chile · 19344 days ago · 35 km deep · 47 km away
- 4.942 km W of Valparaíso, Chile · 19344 days ago · 29 km deep · 40 km away
- 4.845 km WSW of Valparaíso, Chile · 19345 days ago · 23 km deep · 51 km away
- 4.554 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 52 km away
- 4.435 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 41 km away
- 4.453 km W of Valparaíso, Chile · 19345 days ago · 33 km deep · 40 km away
- 4.543 km NNW of Valparaíso, Chile · 19345 days ago · 33 km deep · 12 km away
- 4.458 km W of Cartagena, Chile · 19345 days ago · 33 km deep · 85 km away
- 4.7Off the coast of Valparaiso, Chile · 19345 days ago · 33 km deep · 44 km away
- 4.335 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 44 km away
- 4.444 km W of Valparaíso, Chile · 19345 days ago · 33 km deep · 43 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003y6. Read Tue, Sep 22, 2026, 9:40 AM UTC.