Strong mag. 6.4 earthquake - Departamento de Potosi, Bolivia, 110 km northeast of Calama, Chile, on Monday, Jun 20, 2011 4:36 pm (GMT +0)

Strong mag. 6.4 earthquake - Departamento de Potosi, Bolivia, 110 km northeast of Calama, Chile, on Monday, Jun 20, 2011 4:36 pm (GMT +0)

Strong magnitude 6.4 earthquake at 128 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jun 20, 2011 16:36:01 UTC
Local time at epicenter: Monday, Jun 20, 2011 4:36 pm (GMT +0)
Magnitude: 6.4
Depth: 128.0 km
Epicenter latitude / longitude: 21.701°S / 68.228°W (Departamento de Potosi, Bolivia)
Antipode: 21.701°N / 111.772°E
Nearest volcano: Cerro del Azufre (10 km / 6 mi)
Nearby towns and cities:
110 km (69 mi) NE of Calama (Antofagasta, Chile) (pop: 143,100) --> See nearby quakes!
125 km (78 mi) WSW of San Cristobal de Lipez (Potosí) (pop: 75) --> See nearby quakes!
259 km (161 mi) SE of Iquique (Tarapacá, Chile) (pop: 227,500) --> See nearby quakes!
261 km (162 mi) W of Tupiza (Sud Chichas, Potosí) (pop: 22,200) --> See nearby quakes!
275 km (171 mi) W of Villazon (Modesto Omiste, Potosí) (pop: 30,300) --> See nearby quakes!
349 km (217 mi) SW of Ciudad Potosi (Potosí) (pop: 141,300) --> See nearby quakes!
362 km (225 mi) W of Tarija (pop: 159,300) --> See nearby quakes!
403 km (250 mi) SSW of Llallagua (Rafael Bustillo, Potosí) (pop: 28,100) --> See nearby quakes!
429 km (266 mi) SW of Sucre (Chuquisaca) (pop: 224,800) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
6.4128 kmAntofagasta, ChileUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (10 quakes)

Date and timeMag
Depth
LocationDetails
Nov 5, 2011 08:41
10 years ago
4.3

116 km
69 km NE of Calama, Provincia de El Loa, Antofagasta, ChileMore
Oct 5, 2011 17:16
10 years ago
4.2

136 km
Potosi, BoliviaMore
Sep 9, 2011 16:32
10 years ago
4.4

125 km
Provincia del Tamarugal, 173 km SE of Iquique, Tarapaca, ChileMore
Sep 2, 2011 21:23
10 years ago
4.0

103 km
Tamarugal, 170 km SE of Iquique, Tarapaca, ChileMore
Aug 31, 2011 08:06
10 years ago
4.1

117 km
72 km N of Calama, Provincia de El Loa, Antofagasta, ChileMore
Aug 17, 2011 12:28
10 years ago
4.1

142 km
El Loa, 120 km N of Calama, Provincia de El Loa, Antofagasta, ChileMore
Jul 27, 2011 03:27
10 years ago
4.6

120 km
El Loa, 108 km N of Calama, Provincia de El Loa, Antofagasta, ChileMore
Jul 19, 2011 23:31
10 years ago
4.3

134 km
Tamarugal, 180 km SE of Iquique, Tarapaca, ChileMore
Jul 15, 2011 14:55
10 years ago
5.4

125 km
Tamarugal, Tarapaca, 144 km N of Calama, Provincia de El Loa, Antofagasta, ChileMore
Jul 5, 2011 20:17
10 years ago
4.3

114 km
El Loa, 99 km NE of Calama, Provincia de El Loa, Antofagasta, ChileMore

Earlier earthquakes in the same area

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