M4.2 earthquake 135 km NW of Constitución, Chile
A magnitude 4.2 earthquake struck 135 km NW of Constitución, Chile on Mon, Oct 8, 2012, 10:03 AM GMT-3 (13:03 UTC), 14 km (9 mi) below the surface.
A larger quake followed: M4.8 138 km W of Constitución, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-10-08 13:03:41 UTC
- Depth
- 13.8 km (8.6 mi), shallow
- Epicenter
- 34.654° S, 73.639° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000jtr8. U.S. Geological Survey text and figures are in the public domain.
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
- FROM_LOCATION
- Station coverage gap
- 148°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 4 in the 30 days before it.
After
Before
- 4.259 km NNW of Constitución, Chile · 5110 days ago · 21 km deep · 88 km away
- 4.3119 km NW of Constitución, Chile · 5117 days ago · 10 km deep · 25 km away
- 4.591 km NNW of Constitución, Chile · 5131 days ago · 26 km deep · 66 km away
- 4.778 km N of Constitución, Chile · 5131 days ago · 34 km deep · 98 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jtr8. Read Fri, Oct 2, 2026, 3:02 PM UTC.