M4.3 earthquake 154 km NNE of Calama, Chile
A magnitude 4.3 earthquake struck 154 km NNE of Calama, Chile on Sun, Sep 23, 2007, 5:36 PM GMT-4 (21:36 UTC), 111 km (69 mi) below the surface.
A larger quake followed: M5.6 151 km ESE of Iquique, 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
- 2007-09-23 21:36:16 UTC
- Depth
- 110.7 km (68.8 mi), intermediate-depth
- Epicenter
- 21.170° S, 68.348° 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.
- Station coverage gap
- 107°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.5137 km NNE of Calama, Chile · 6943 days ago · 110 km deep · 18 km away
- 4.5128 km SSW of Uyuni, Bolivia · 6941 days ago · 226 km deep · 92 km away
- 3.9178 km NNE of Calama, Chile · 6940 days ago · 93 km deep · 40 km away
- 5.6151 km ESE of Iquique, Chile · 6914 days ago · 100 km deep · 76 km away · felt by 5
- 4.1135 km NNE of Calama, Chile · 6913 days ago · 115 km deep · 22 km away
- 4.2Chile-Bolivia border region · 6903 days ago · 116 km deep · 23 km away
- 3.986 km WSW of Colchani, Bolivia · 6895 days ago · 164 km deep · 89 km away
- 3.2124 km N of Calama, Chile · 6895 days ago · 150 km deep · 44 km away
- 3.6162 km E of Iquique, Chile · 6894 days ago · 117 km deep · 82 km away
Before
- 3.8146 km NNE of Calama, Chile · 6950 days ago · 109 km deep · 9 km away
- 3.964 km NE of Calama, Chile · 6964 days ago · 117 km deep · 96 km away
- 4.5123 km NE of Calama, Chile · 6964 days ago · 104 km deep · 46 km away
- 4.8167 km E of Iquique, Chile · 6965 days ago · 114 km deep · 84 km away
- 5.5165 km WSW of Colchani, Bolivia · 6971 days ago · 134 km deep · 25 km away · felt by 3
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000fnz4. Read Tue, Sep 29, 2026, 3:41 PM UTC.