Very strong mag. 6.4 earthquake - South Pacific Ocean, 68 km northwest of Iquique, Tarapaca, Chile, on Sunday, October 6, 1940 at 15:38 (GMT)

Very strong mag. 6.4 earthquake - South Pacific Ocean, 68 km northwest of Iquique, Tarapaca, Chile, on Sunday, October 6, 1940 at 15:38 (GMT)

Very strong magnitude 6.4 earthquake at 15 km depth

Date & time: Oct 6, 1940 15:38:25 UTC
Magnitude: 6.4
Depth: 15.0 km
Epicenter latitude / longitude: 19.756°S / 70.579°W (South Pacific Ocean, Chile)
Antipode: 19.756°N / 109.421°E
Nearest volcano: Cerro Tatajachura (155 km / 96 mi)
Nearby towns and cities:
68 km (42 mi) NW of Iquique (pop: 227,500) --> See nearby quakes!
146 km (90 mi) S of Arica (pop: 186,000) --> See nearby quakes!
197 km (122 mi) S of Tacna (Peru) (pop: 280,100) --> See nearby quakes!
250 km (155 mi) SSE of Ilo (Peru) (pop: 53,500) --> See nearby quakes!
263 km (163 mi) N of Tocopilla (pop: 24,500) --> See nearby quakes!
287 km (178 mi) S of Moquegua (Peru) (pop: 54,500) --> See nearby quakes!
346 km (215 mi) NNW of Calama (pop: 143,100) --> See nearby quakes!
383 km (238 mi) SSE of Ciudad Satelite (Peru) (pop: 76,400) --> See nearby quakes!
387 km (240 mi) SSE of Arequipa (Peru) (pop: 841,100) --> See nearby quakes!
411 km (256 mi) WSW of Oruro (Bolivia) (pop: 208,700) --> 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.
6.415 kmnear the coast of Tarapaca, ChileUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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Recorded aftershocks, latest first (0 quakes)

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