M4.3 earthquake 15 km ENE of Calama, Chile
A magnitude 4.3 earthquake struck 15 km ENE of Calama, Chile on Tue, Jan 20, 2015, 6:04 AM GMT-3 (09:04 UTC), 141 km (87 mi) below the surface.
A larger quake followed: M4.6 54 km N 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
- 4.3 (mb), light
- Local time
- UTC
- 2015-01-20 09:04:19 UTC
- Depth
- 140.6 km (87.3 mi), intermediate-depth
- Epicenter
- 22.391° S, 68.787° 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 IV, light shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.5 km horizontally, 9.3 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- FROM_LOCATION
- Station coverage gap
- 71°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.141 km ENE of Calama, Chile · 4261 days ago · 104 km deep · 26 km away
- 4.150 km NNE of Calama, Chile · 4260 days ago · 105 km deep · 40 km away
- 4.398 km NNE of Calama, Chile · 4254 days ago · 122 km deep · 87 km away
- 4.2101 km NE of Calama, Chile · 4249 days ago · 117 km deep · 87 km away
- 4.654 km N of Calama, Chile · 4216 days ago · 103 km deep · 47 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000theg. Read Tue, Sep 29, 2026, 1:55 PM UTC.