Chile earthquakes

M4.5 earthquake 31 km S of Calama, Chile

A magnitude 4.5 earthquake struck 31 km S of Calama, Chile on Thu, Oct 15, 2015, 3:01 PM GMT-3 (18:01 UTC), 111 km (69 mi) below the surface.

A larger quake followed: M5.8 43 km SSW of San Pedro de Atacama, 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-10-15 18:01:31 UTC
Depth
111.2 km (69.1 mi), intermediate-depth
Epicenter
22.737° S, 68.981° 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.

Location uncertainty
About 6.1 km horizontally, 4.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
54°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.164 km NNE of Calama, Chile · 3993 days ago · 114 km deep · 96 km away
  2. 4.694 km S of Calama, Chile · 3990 days ago · 62 km deep · 64 km away · felt by 1
  3. 5.843 km SSW of San Pedro de Atacama, Chile · 3987 days ago · 111 km deep · 81 km away · felt by 16
  4. 5.3105 km SW of San Pedro de Atacama, Chile · 3979 days ago · 101 km deep · 93 km away · felt by 11
  5. 5.333 km NE of Calama, Chile · 3977 days ago · 109 km deep · 63 km away · felt by 3
  6. 4.031 km NNE of Calama, Chile · 3977 days ago · 113 km deep · 63 km away
  7. 4.131 km WNW of San Pedro de Atacama, Chile · 3958 days ago · 104 km deep · 51 km away
  8. 4.214 km ESE of Calama, Chile · 3955 days ago · 87 km deep · 30 km away

Before

  1. 4.325 km ESE of Calama, Chile · 4005 days ago · 109 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003nxs. Read Thu, Oct 1, 2026, 3:49 AM UTC.