M4.2 earthquake 81 km NE of Calama, Chile
A magnitude 4.2 earthquake struck 81 km NE of Calama, Chile on Sun, May 3, 2015, 6:50 AM GMT-3 (09:50 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M6.0 50 km E 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
- 2015-05-03 09:50:34 UTC
- Depth
- 117.0 km (72.7 mi), intermediate-depth
- Epicenter
- 21.881° S, 68.431° 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.
- Location uncertainty
- About 7.4 km horizontally, 5.2 km in depth
- Magnitude uncertainty
- ±0.19
- 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: 12 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.120 km SE of Calama, Chile · 4163 days ago · 101 km deep · 87 km away
- 4.098 km NNE of Calama, Chile · 4152 days ago · 106 km deep · 31 km away
- 5.661 km NE of Calama, Chile · 4144 days ago · 124 km deep · 21 km away · felt by 3
- 4.090 km NE of San Pedro de Atacama, Chile · 4137 days ago · 210 km deep · 85 km away
- 6.050 km E of Calama, Chile · 4129 days ago · 124 km deep · 58 km away · felt by 16
- 4.130 km E of Calama, Chile · 4129 days ago · 127 km deep · 66 km away
- 4.070 km NNE of Calama, Chile · 4129 days ago · 123 km deep · 19 km away
- 4.5116 km NNE of Calama, Chile · 4121 days ago · 131 km deep · 44 km away
- 3.9114 km NNE of Calama, Chile · 4119 days ago · 144 km deep · 36 km away
- 4.175 km NE of Calama, Chile · 4117 days ago · 129 km deep · 9 km away
- 5.1107 km NE of Calama, Chile · 4117 days ago · 122 km deep · 29 km away
- 4.196 km NNE of San Pedro de Atacama, Chile · 4111 days ago · 215 km deep · 69 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20002ayx. Read Tue, Sep 29, 2026, 10:27 AM UTC.