Chile earthquakes

M4.0 earthquake 98 km NNE of Calama, Chile

A magnitude 4.0 earthquake struck 98 km NNE of Calama, Chile on Sun, May 17, 2015, 10:34 PM GMT-3 (01:34 UTC), 106 km (66 mi) below the surface.

A larger quake followed: M6.0 50 km E of Calama, Chile. This one was a foreshock.

Calama 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
4.0 (mb), light
Local time
UTC
2015-05-18 01:34:05 UTC
Depth
105.5 km (65.6 mi), intermediate-depth
Epicenter
21.631° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.8 km horizontally, 6.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
43°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 5.661 km NE of Calama, Chile · 4144 days ago · 124 km deep · 48 km away · felt by 3
  2. 6.050 km E of Calama, Chile · 4129 days ago · 124 km deep · 87 km away · felt by 16
  3. 4.130 km E of Calama, Chile · 4129 days ago · 127 km deep · 90 km away
  4. 4.070 km NNE of Calama, Chile · 4129 days ago · 123 km deep · 29 km away
  5. 4.5116 km NNE of Calama, Chile · 4121 days ago · 131 km deep · 19 km away
  6. 3.9114 km NNE of Calama, Chile · 4120 days ago · 144 km deep · 23 km away
  7. 4.175 km NE of Calama, Chile · 4117 days ago · 129 km deep · 30 km away
  8. 5.1107 km NE of Calama, Chile · 4117 days ago · 122 km deep · 44 km away
  9. 4.196 km NNE of San Pedro de Atacama, Chile · 4111 days ago · 215 km deep · 96 km away
  10. 4.2130 km N of Calama, Chile · 4105 days ago · 121 km deep · 45 km away
  11. 4.273 km NNE of Calama, Chile · 4101 days ago · 120 km deep · 27 km away
  12. 4.479 km NNE of Calama, Chile · 4098 days ago · 113 km deep · 19 km away
  13. 4.394 km NNE of Calama, Chile · 4095 days ago · 126 km deep · 18 km away

Before

  1. 4.6152 km ESE of Iquique, Chile · 4153 days ago · 102 km deep · 91 km away
  2. 4.281 km NE of Calama, Chile · 4167 days ago · 117 km deep · 31 km away
  3. 4.231 km ENE of Calama, Chile · 4168 days ago · 116 km deep · 78 km away
  4. 4.137 km NE of Calama, Chile · 4169 days ago · 129 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10002a2r. Read Tue, Sep 29, 2026, 1:04 PM UTC.