M3.9 earthquake 48 km WSW of Valparaíso, Chile
A magnitude 3.9 earthquake struck 48 km WSW of Valparaíso, Chile on Sat, Nov 17, 1973, 4:19 PM GMT-3 (19:19 UTC), 24 km (15 mi) below the surface.
A larger quake followed: M4.8 31 km SW 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
- 3.9 (mb), minor
- Local time
- UTC
- 1973-11-17 19:19:11 UTC
- Depth
- 24.0 km (14.9 mi), shallow
- Epicenter
- 33.174° S, 72.119° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.831 km SW of Valparaíso, Chile · 19302 days ago · 33 km deep · 26 km away
- 5.124 km WSW of Valparaíso, Chile · 19251 days ago · 24 km deep · 24 km away
- 4.955 km W of Valparaíso, Chile · 19244 days ago · 26 km deep · 19 km away
Before
- 4.857 km NNW of Valparaíso, Chile · 19311 days ago · 33 km deep · 73 km away
- 4.544 km W of Valparaíso, Chile · 19319 days ago · 24 km deep · 11 km away
- 4.147 km NW of Valparaíso, Chile · 19323 days ago · 27 km deep · 51 km away
- 4.933 km SW of Valparaíso, Chile · 19330 days ago · 38 km deep · 21 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000046c. Read Tue, Sep 22, 2026, 7:09 AM UTC.