M4.4 earthquake 65 km NW of Constitución, Chile
A magnitude 4.4 earthquake struck 65 km NW of Constitución, Chile on Sun, Dec 18, 2011, 2:50 PM GMT-3 (17:50 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.5 59 km WNW of Santa Cruz, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2011-12-18 17:50:40 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 34.851° S, 72.831° 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 usp000jccc. 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
- OPERATOR_ASSIGNED
- Station coverage gap
- 122°
- 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: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.347 km WSW of Santa Cruz, Chile · 5399 days ago · 41 km deep · 91 km away
- 4.385 km WNW of Santa Cruz, Chile · 5398 days ago · 23 km deep · 81 km away
- 4.155 km NW of Constitución, Chile · 5388 days ago · 35 km deep · 10 km away
- 4.559 km WNW of Santa Cruz, Chile · 5366 days ago · 42 km deep · 85 km away · felt by 6
- 4.142 km WSW of Santa Cruz, Chile · 5363 days ago · 38 km deep · 94 km away
- 4.489 km NW of Constitución, Chile · 5343 days ago · 10 km deep · 24 km away
Before
- 4.492 km W of Constitución, Chile · 5407 days ago · 35 km deep · 71 km away
- 4.847 km WSW of Santa Cruz, Chile · 5408 days ago · 47 km deep · 89 km away · felt by 19
- 4.7153 km NW of Constitución, Chile · 5416 days ago · 26 km deep · 88 km away
- 5.142 km WSW of Santa Cruz, Chile · 5428 days ago · 41 km deep · 94 km away · felt by 143
- 4.645 km WSW of Santa Cruz, Chile · 5428 days ago · 37 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jccc. Read Fri, Oct 2, 2026, 4:02 PM UTC.