M3.9 earthquake 27 km ENE of Calama, Chile
A magnitude 3.9 earthquake struck 27 km ENE of Calama, Chile on Sun, Dec 28, 2008, 12:58 AM GMT-3 (03:58 UTC), 109 km (68 mi) below the surface.
A larger quake followed: M4.8 39 km WSW of San Pedro de Atacama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 2008-12-28 03:58:37 UTC
- Depth
- 109.4 km (68.0 mi), intermediate-depth
- Epicenter
- 22.346° S, 68.683° 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.
- Station coverage gap
- 69°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.839 km WSW of San Pedro de Atacama, Chile · 6483 days ago · 101 km deep · 76 km away
- 4.356 km NE of Calama, Chile · 6458 days ago · 94 km deep · 30 km away
- 4.753 km SSE of Calama, Chile · 6445 days ago · 103 km deep · 63 km away
- 4.519 km N of San Pedro de Atacama, Chile · 6440 days ago · 110 km deep · 64 km away
Before
- 4.8109 km NNE of Calama, Chile · 6486 days ago · 91 km deep · 92 km away
- 3.028 km ENE of Calama, Chile · 6486 days ago · 109 km deep · 2 km away
- 4.1Antofagasta, Chile · 6488 days ago · 100 km deep · 73 km away
- 4.562 km NE of San Pedro de Atacama, Chile · 6490 days ago · 127 km deep · 89 km away
- 5.224 km E of San Pedro de Atacama, Chile · 6491 days ago · 106 km deep · 94 km away
- 4.495 km NE of Calama, Chile · 6493 days ago · 110 km deep · 72 km away
- 4.1124 km NE of Calama, Chile · 6507 days ago · 127 km deep · 99 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000grp6. Read Tue, Sep 29, 2026, 5:20 AM UTC.