Chile earthquakes

M4.3 earthquake 135 km ESE of Iquique, Chile

A magnitude 4.3 earthquake struck 135 km ESE of Iquique, Chile on Sun, Mar 31, 2013, 2:40 AM GMT-3 (05:40 UTC), 105 km (65 mi) below the surface.

A larger quake followed: M5.2 163 km N of Calama, 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2013-03-31 05:40:11 UTC
Depth
104.9 km (65.2 mi), intermediate-depth
Epicenter
20.658° S, 68.942° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Felt (II) at Alto Hospicio, Huara, Iquique, La Tirana, Mamina, Pica and Pozo Almonte.

From the USGS event page for usb000fwwx. 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
87°
Stations used
45

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 4 in the 30 days before it.

After

  1. 4.4113 km E of Iquique, Chile · 4932 days ago · 99 km deep · 73 km away
  2. 4.6152 km E of Iquique, Chile · 4930 days ago · 119 km deep · 76 km away
  3. 4.4Chile-Bolivia border region · 4910 days ago · 96 km deep · 3 km away
  4. 4.5111 km E of Iquique, Chile · 4907 days ago · 101 km deep · 67 km away
  5. 4.5137 km NNE of Calama, Chile · 4905 days ago · 130 km deep · 77 km away
  6. 4.1129 km N of Calama, Chile · 4899 days ago · 110 km deep · 71 km away
  7. 4.0148 km SE of Iquique, Chile · 4897 days ago · 112 km deep · 49 km away
  8. 5.2163 km N of Calama, Chile · 4891 days ago · 133 km deep · 47 km away
  9. 4.671 km ESE of Iquique, Chile · 4882 days ago · 86 km deep · 67 km away

Before

  1. 4.4119 km ESE of Iquique, Chile · 4934 days ago · 96 km deep · 16 km away
  2. 4.3156 km E of Iquique, Chile · 4935 days ago · 138 km deep · 40 km away
  3. 4.7102 km E of Iquique, Chile · 4936 days ago · 95 km deep · 73 km away
  4. 4.3113 km N of Calama, Chile · 4949 days ago · 120 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000fwwx. Read Fri, Oct 2, 2026, 5:16 PM UTC.