Chile earthquakes

M4.6 earthquake 104 km ESE of Iquique, Chile

A magnitude 4.6 earthquake struck 104 km ESE of Iquique, Chile on Sun, Jul 21, 2013, 10:51 AM GMT-4 (14:51 UTC), 99 km (62 mi) below the surface.

A larger quake followed: M5.0 110 km NE 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
4.6 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2013-07-21 14:51:23 UTC
Depth
99.4 km (61.8 mi), intermediate-depth
Epicenter
20.460° S, 69.189° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

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

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

From the USGS event page for usb000ij42. 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Normal
Nodal plane 1
Strike 324°, dip 57°, rake -110°
Nodal plane 2
Strike 177°, dip 38°, rake -62°

How well it is located

Reviewed by a seismologist.

Station coverage gap
98°
Stations used
103

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 9 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.5102 km ENE of Iquique, Chile · 4819 days ago · 97 km deep · 80 km away
  2. 4.1108 km E of Iquique, Chile · 4812 days ago · 100 km deep · 11 km away
  3. 4.6103 km NE of Iquique, Chile · 4806 days ago · 96 km deep · 89 km away
  4. 4.5118 km ENE of Iquique, Chile · 4804 days ago · 108 km deep · 90 km away
  5. 4.4140 km N of Calama, Chile · 4793 days ago · 126 km deep · 94 km away
  6. 4.7137 km ESE of Iquique, Chile · 4782 days ago · 111 km deep · 40 km away
  7. 4.794 km E of Iquique, Chile · 4777 days ago · 98 km deep · 32 km away
  8. 4.6153 km SE of Iquique, Chile · 4774 days ago · 124 km deep · 68 km away
  9. 5.0110 km NE of Iquique, Chile · 4772 days ago · 100 km deep · 94 km away

Before

  1. 4.1127 km ENE of Iquique, Chile · 4822 days ago · 118 km deep · 60 km away
  2. 4.4147 km E of Iquique, Chile · 4829 days ago · 106 km deep · 44 km away
  3. 4.4114 km ESE of Iquique, Chile · 4834 days ago · 106 km deep · 27 km away
  4. 4.7121 km E of Iquique, Chile · 4844 days ago · 102 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000ij42. Read Fri, Oct 2, 2026, 12:08 AM UTC.