M4.2 earthquake 84 km N of Calama, Chile
A magnitude 4.2 earthquake struck 84 km N of Calama, Chile on Fri, Dec 11, 2009, 8:45 AM GMT-3 (11:45 UTC), 109 km (68 mi) below the surface.
A larger quake followed: M4.9 139 km NE of Calama, 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 (M), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2009-12-11 11:45:06 UTC
- Depth
- 108.7 km (67.5 mi), intermediate-depth
- Epicenter
- 21.706° S, 68.800° 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 usp000h4ym. 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.
- Station coverage gap
- 180°
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.595 km NNE of Calama, Chile · 6136 days ago · 136 km deep · 16 km away
- 4.9139 km NE of Calama, Chile · 6135 days ago · 103 km deep · 75 km away
- 4.757 km NE of Calama, Chile · 6122 days ago · 121 km deep · 42 km away
- 4.326 km NE of Calama, Chile · 6099 days ago · 111 km deep · 63 km away
- 4.1147 km NNE of Calama, Chile · 6086 days ago · 203 km deep · 78 km away
- 4.3101 km NE of Tocopilla, Chile · 6085 days ago · 23 km deep · 66 km away
- 4.1132 km N of Calama, Chile · 6081 days ago · 122 km deep · 53 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000h4ym. Read Sat, Oct 3, 2026, 4:29 AM UTC.