Chile earthquakes

M4.4 earthquake 77 km W of Iquique, Chile

A magnitude 4.4 earthquake struck 77 km W of Iquique, Chile on Tue, Jul 23, 2013, 6:36 PM GMT-4 (22:36 UTC), 39 km (24 mi) below the surface.

A larger quake followed: M5.2 58 km W of Iquique, Chile. This one was a foreshock.

Iquique 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2013-07-23 22:36:50 UTC
Depth
38.5 km (23.9 mi), shallow
Epicenter
20.243° S, 70.894° 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 and Iquique.

From the USGS event page for usb000il6u. 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
100°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.8Near the coast of Tarapaca, Chile · 4819 days ago · 18 km deep · 14 km away
  2. 4.451 km NW of Iquique, Chile · 4817 days ago · 24 km deep · 48 km away
  3. 5.258 km W of Iquique, Chile · 4807 days ago · 19 km deep · 20 km away · felt by 7
  4. 4.173 km W of Iquique, Chile · 4797 days ago · 33 km deep · 15 km away
  5. 4.551 km W of Iquique, Chile · 4796 days ago · 36 km deep · 28 km away

Before

  1. 4.475 km W of Iquique, Chile · 4819 days ago · 39 km deep · 2 km away
  2. 4.679 km W of Iquique, Chile · 4819 days ago · 37 km deep · 3 km away
  3. 4.559 km W of Iquique, Chile · 4819 days ago · 26 km deep · 19 km away
  4. 4.754 km W of Iquique, Chile · 4819 days ago · 19 km deep · 23 km away
  5. 4.766 km W of Iquique, Chile · 4824 days ago · 41 km deep · 11 km away
  6. 4.563 km SW of Iquique, Chile · 4825 days ago · 49 km deep · 63 km away
  7. 4.4107 km NW of Iquique, Chile · 4849 days ago · 46 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000il6u. Read Sat, Oct 3, 2026, 4:43 AM UTC.