M5.0 earthquake West Chile Rise
A magnitude 5.0 earthquake struck in the West Chile Rise on Sun, Aug 4, 1985, 11:31 PM GMT-6 (05:31 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.9 West Chile Rise. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (ms), moderate
- Local time
- UTC
- 1985-08-05 05:31:55 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 41.481° S, 85.697° 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
Nearby
Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hda. Read Wed, Sep 30, 2026, 10:19 AM UTC.