M4.0 earthquake 52 km N of Calama, Chile
A magnitude 4.0 earthquake struck 52 km N of Calama, Chile on Tue, Feb 20, 2007, 1:04 PM GMT-3 (16:04 UTC), 90 km (56 mi) below the surface.
A larger quake followed: M4.5 118 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-02-20 16:04:52 UTC
- Depth
- 89.5 km (55.6 mi), intermediate-depth
- Epicenter
- 21.993° S, 69.017° 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 usp000f587. 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 115°
- Stations used
- 13
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
- 4.450 km NW of Calama, Chile · 7146 days ago · 100 km deep · 23 km away
- 3.9122 km NNE of Calama, Chile · 7145 days ago · 109 km deep · 85 km away
- 4.271 km ENE of Calama, Chile · 7135 days ago · 70 km deep · 75 km away
- 4.396 km NNE of Calama, Chile · 7118 days ago · 104 km deep · 61 km away
- 4.5118 km NNE of Calama, Chile · 7112 days ago · 132 km deep · 88 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000f587. Read Sun, Oct 4, 2026, 9:11 AM UTC.