Strong mag. 6.7 earthquake - Provincia del Tamarugal, 79 km southeast of Iquique, Tarapaca, Chile, on Monday, February 22, 1988 at 19:13 (GMT)

Strong mag. 6.7 earthquake - Provincia del Tamarugal, 79 km southeast of Iquique, Tarapaca, Chile, on Monday, February 22, 1988 at 19:13 (GMT)

Strong magnitude 6.7 earthquake at 70 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Feb 22, 1988 19:13:17 UTC
Magnitude: 6.7
Depth: 70.3 km
Epicenter latitude / longitude: 20.833°S / 69.785°W (Provincia del Tamarugal, Tarapaca, Chile)
Antipode: 20.833°N / 110.215°E
Nearest volcano: Cerro Napa (122 km / 76 mi)
Nearby towns and cities:
79 km (49 mi) SSE of Iquique (pop: 227,500) --> See nearby quakes!
146 km (91 mi) NNE of Tocopilla (Antofagasta) (pop: 24,500) --> See nearby quakes!
201 km (125 mi) NNW of Calama (Antofagasta) (pop: 143,100) --> See nearby quakes!
268 km (166 mi) SSE of Arica (Arica y Parinacota) (pop: 186,000) --> See nearby quakes!
317 km (197 mi) S of Tacna (Peru) (pop: 280,100) --> See nearby quakes!
320 km (199 mi) N of Antofagasta (pop: 309,800) --> See nearby quakes!
392 km (243 mi) SSE of Ilo (Moquegua, Peru) (pop: 53,500) --> See nearby quakes!
421 km (261 mi) SW of Oruro (Bolivia) (pop: 208,700) --> See nearby quakes!
540 km (336 mi) SW of Cochabamba (Bolivia) (pop: 900,400) --> See nearby quakes!
549 km (341 mi) SW of Sacaba (Cochabamba, Bolivia) (pop: 107,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 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
6.770 kmTarapaca, 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
Aug 16, 1988 04:27
33 years ago
3.9

117 km
Tamarugal, 60 km NE of Iquique, Tarapaca, ChileMore
Aug 14, 1988 13:11
33 years ago
5.1

72 km
34 km NE of Tocopilla, Antofagasta, ChileMore
Jul 2, 1988 05:27
33 years ago
4.7

33 km
South Pacific Ocean, 103 km SW of Iquique, Tarapaca, ChileMore
Jun 16, 1988 23:39
33 years ago
5.2

88 km
51 km NE of Tocopilla, Antofagasta, ChileMore
May 28, 1988 05:54
34 years ago
4.6

130 km
Provincia del Tamarugal, 106 km E of Iquique, Tarapaca, ChileMore
May 8, 1988 00:33
34 years ago
4.6

33 km
South Pacific Ocean, 88 km NW of Tocopilla, Antofagasta, ChileMore
Apr 9, 1988 01:16
34 years ago
4.9

158 km
Provincia del Tamarugal, 88 km E of Iquique, Tarapaca, ChileMore
Mar 16, 1988 22:55
34 years ago
5.1

116 km
El Loa, 147 km N of Calama, Provincia de El Loa, Antofagasta, ChileMore
Mar 16, 1988 06:08
34 years ago
5.0

64 km
South Pacific Ocean, 101 km S of Iquique, Tarapaca, ChileMore
Mar 9, 1988 23:19
34 years ago
4.7

127 km
Departamento de Potosi, 389 km SW of Sucre, Chuquisaca, BoliviaMore

Earlier earthquakes in the same area

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