Chile earthquakes

M3.9 earthquake 178 km NNE of Calama, Chile

A magnitude 3.9 earthquake struck 178 km NNE of Calama, Chile on Sat, Sep 29, 2007, 8:28 PM GMT-4 (00:28 UTC), 93 km (58 mi) below the surface.

A larger quake followed: M5.6 151 km ESE of Iquique, Chile. This one was a foreshock.

Pozo Almonte forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.9 (mb), minor
Local time
UTC
2007-09-30 00:28:03 UTC
Depth
92.9 km (57.7 mi), intermediate-depth
Epicenter
20.879° S, 68.572° 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.

Depth from
FROM_LOCATION
Station coverage gap
172°
Stations used
8

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.4113 km E of Iquique, Chile · 6923 days ago · 120 km deep · 98 km away
  2. 4.3124 km E of Iquique, Chile · 6914 days ago · 106 km deep · 81 km away
  3. 5.6151 km ESE of Iquique, Chile · 6912 days ago · 100 km deep · 36 km away · felt by 5
  4. 4.1135 km NNE of Calama, Chile · 6911 days ago · 115 km deep · 60 km away
  5. 4.9132 km E of Iquique, Chile · 6907 days ago · 107 km deep · 90 km away
  6. 4.2Chile-Bolivia border region · 6900 days ago · 116 km deep · 63 km away
  7. 3.986 km WSW of Colchani, Bolivia · 6893 days ago · 164 km deep · 99 km away
  8. 3.2124 km N of Calama, Chile · 6893 days ago · 150 km deep · 55 km away
  9. 3.6162 km E of Iquique, Chile · 6892 days ago · 117 km deep · 45 km away
  10. 4.7134 km E of Iquique, Chile · 6891 days ago · 122 km deep · 64 km away

Before

  1. 4.5137 km NNE of Calama, Chile · 6941 days ago · 110 km deep · 46 km away
  2. 4.3154 km NNE of Calama, Chile · 6944 days ago · 111 km deep · 40 km away
  3. 3.8146 km NNE of Calama, Chile · 6948 days ago · 109 km deep · 42 km away
  4. 3.8112 km E of Iquique, Chile · 6957 days ago · 123 km deep · 83 km away
  5. 3.9115 km ESE of Iquique, Chile · 6961 days ago · 95 km deep · 65 km away
  6. 4.5123 km NE of Calama, Chile · 6962 days ago · 104 km deep · 85 km away
  7. 4.8167 km E of Iquique, Chile · 6963 days ago · 114 km deep · 48 km away
  8. 4.0160 km E of Iquique, Chile · 6967 days ago · 121 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fpg1. Read Sun, Sep 27, 2026, 12:21 PM UTC.