M4.3 earthquake 101 km NE of Tocopilla, Chile
A magnitude 4.3 earthquake struck 101 km NE of Tocopilla, Chile on Wed, Feb 3, 2010, 3:02 PM GMT-3 (18:02 UTC), 23 km (14 mi) below the surface.
A larger quake followed: M5.0 79 km NNE 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2010-02-03 18:02:59 UTC
- Depth
- 23.1 km (14.4 mi), shallow
- Epicenter
- 21.532° S, 69.415° 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 usp000h6x8. 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
- 70°
- Stations used
- 36
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 0 in the 30 days before it.
After
- 4.1132 km N of Calama, Chile · 6083 days ago · 122 km deep · 54 km away
- 4.156 km NNE of Calama, Chile · 6067 days ago · 111 km deep · 80 km away
- 4.893 km NNE of Tocopilla, Chile · 6047 days ago · 49 km deep · 60 km away · felt by 7
- 3.9110 km SSE of Iquique, Chile · 6046 days ago · 84 km deep · 54 km away
- 5.079 km NNE of Calama, Chile · 6044 days ago · 145 km deep · 85 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000h6x8. Read Mon, Oct 5, 2026, 5:33 AM UTC.