M4.5 earthquake 34 km WNW of Arauco, Chile
A magnitude 4.5 earthquake struck 34 km WNW of Arauco, Chile on Mon, Mar 12, 1973, 2:56 AM GMT-4 (06:56 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1973-03-12 06:56:19 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 37.177° S, 73.699° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00000xa. Read Tue, Sep 29, 2026, 2:36 AM UTC.