M4.9 earthquake 33 km SW of Valparaíso, Chile
A magnitude 4.9 earthquake struck 33 km SW of Valparaíso, Chile on Sat, Oct 20, 1973, 9:31 AM GMT-3 (12:31 UTC), 38 km (24 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1973-10-20 12:31:59 UTC
- Depth
- 38.0 km (23.6 mi), shallow
- Epicenter
- 33.232° S, 71.909° 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
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 30 in the 30 days before it.
After
- 4.147 km NW of Valparaíso, Chile · 19324 days ago · 27 km deep · 57 km away
- 4.544 km W of Valparaíso, Chile · 19319 days ago · 24 km deep · 25 km away
- 4.857 km NNW of Valparaíso, Chile · 19311 days ago · 33 km deep · 76 km away
- 3.948 km WSW of Valparaíso, Chile · 19302 days ago · 24 km deep · 21 km away
- 4.831 km SW of Valparaíso, Chile · 19302 days ago · 33 km deep · 5 km away
- 3.97 km SSW of Lampa, Chile · 19294 days ago · 70 km deep · 94 km away
Before
- 5.134 km WSW of Valparaíso, Chile · 19339 days ago · 29 km deep · 14 km away
- 4.540 km SW of Valparaíso, Chile · 19340 days ago · 46 km deep · 7 km away
- 4.055 km W of Valparaíso, Chile · 19343 days ago · 33 km deep · 34 km away
- 4.259 km WSW of Valparaíso, Chile · 19344 days ago · 33 km deep · 32 km away
- 4.348 km WSW of Valparaíso, Chile · 19344 days ago · 33 km deep · 17 km away
- 5.045 km W of Valparaíso, Chile · 19345 days ago · 21 km deep · 27 km away
- 4.624 km WNW of Valparaíso, Chile · 19345 days ago · 33 km deep · 32 km away
- 4.741 km WSW of Valparaíso, Chile · 19345 days ago · 35 km deep · 17 km away
- 4.942 km W of Valparaíso, Chile · 19345 days ago · 29 km deep · 24 km away
- 4.845 km WSW of Valparaíso, Chile · 19345 days ago · 23 km deep · 18 km away
- 4.554 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 28 km away
- 4.435 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 17 km away
- 4.453 km W of Valparaíso, Chile · 19345 days ago · 33 km deep · 35 km away
- 4.543 km NNW of Valparaíso, Chile · 19345 days ago · 33 km deep · 60 km away
- 4.458 km W of Cartagena, Chile · 19345 days ago · 33 km deep · 39 km away
- 4.7Off the coast of Valparaiso, Chile · 19345 days ago · 33 km deep · 15 km away
- 4.335 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 15 km away
- 4.444 km W of Valparaíso, Chile · 19345 days ago · 33 km deep · 23 km away
- 4.543 km WSW of Valparaíso, Chile · 19345 days ago · 33 km deep · 15 km away
- 4.639 km WNW of Valparaíso, Chile · 19345 days ago · 33 km deep · 39 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003vr. Read Tue, Sep 22, 2026, 5:27 PM UTC.