M4.2 earthquake 13 km SSW of Calama, Chile
A magnitude 4.2 earthquake struck 13 km SSW of Calama, Chile on Mon, Dec 22, 2014, 3:37 AM GMT-3 (06:37 UTC), 101 km (63 mi) below the surface.
A larger quake followed: M4.3 15 km ENE 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 (mb), light
- Local time
- UTC
- 2014-12-22 06:37:10 UTC
- Depth
- 100.9 km (62.7 mi), intermediate-depth
- Epicenter
- 22.557° S, 68.993° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.9 km horizontally, 7.9 km in depth
- Magnitude uncertainty
- ±0.37
- Stations used
- 0
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 4 in the 30 days before it.
After
- 4.274 km NE of Calama, Chile · 4277 days ago · 114 km deep · 87 km away
- 4.315 km ENE of Calama, Chile · 4270 days ago · 141 km deep · 28 km away · felt by 1
- 4.141 km ENE of Calama, Chile · 4261 days ago · 104 km deep · 52 km away
- 4.150 km NNE of Calama, Chile · 4260 days ago · 105 km deep · 64 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000t917. Read Tue, Sep 29, 2026, 12:14 PM UTC.