M4.6 earthquake 94 km N of Constitución, Chile
A magnitude 4.6 earthquake struck 94 km N of Constitución, Chile on Thu, Oct 31, 1985, 1:06 PM GMT-3 (16:06 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
- 4.6 (mb), light
- Local time
- UTC
- 1985-10-31 16:06:59 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.483° S, 72.464° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 4 in the 30 days before it.
Before
- 3.560 km WSW of San Antonio, Chile · 14956 days ago · 33 km deep · 81 km away
- 4.352 km WSW of San Antonio, Chile · 14956 days ago · 33 km deep · 80 km away
- 3.456 km WSW of San Antonio, Chile · 14956 days ago · 33 km deep · 75 km away
- 4.553 km SW of San Antonio, Chile · 14956 days ago · 33 km deep · 74 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002mba. Read Wed, Sep 23, 2026, 1:29 PM UTC.