M4.1 earthquake 126 km N of Calama, Chile
A magnitude 4.1 earthquake struck 126 km N of Calama, Chile on Wed, Oct 28, 2009, 9:10 AM GMT-3 (12:10 UTC), 123 km (76 mi) below the surface.
A larger quake followed: M4.9 139 km NE 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
- 4.1 (M), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2009-10-28 12:10:20 UTC
- Depth
- 122.5 km (76.1 mi), intermediate-depth
- Epicenter
- 21.314° S, 68.871° 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 usp000h3gu. 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
- 88°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.782 km SE of Iquique, Chile · 6184 days ago · 67 km deep · 99 km away
- 4.458 km NNE of Calama, Chile · 6180 days ago · 135 km deep · 81 km away
- 4.2115 km SE of Iquique, Chile · 6171 days ago · 116 km deep · 67 km away
- 4.0114 km SE of Iquique, Chile · 6170 days ago · 112 km deep · 68 km away
- 4.4139 km N of Calama, Chile · 6167 days ago · 92 km deep · 23 km away
- 4.6Chile-Bolivia border region · 6167 days ago · 149 km deep · 70 km away
- 4.863 km NNE of Calama, Chile · 6146 days ago · 121 km deep · 74 km away
- 4.332 km N of Calama, Chile · 6141 days ago · 111 km deep · 95 km away
- 4.284 km N of Calama, Chile · 6141 days ago · 109 km deep · 44 km away
- 4.595 km NNE of Calama, Chile · 6137 days ago · 136 km deep · 41 km away
- 4.9139 km NE of Calama, Chile · 6135 days ago · 103 km deep · 78 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000h3gu. Read Sat, Oct 3, 2026, 11:32 PM UTC.