Very strong mag. 6.9 earthquake - South Pacific Ocean, 44 km northwest of Iquique, Tarapaca, Chile, on Friday, October 4, 1940 at 07:55 (GMT)
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Very strong magnitude 6.9 earthquake at 35 km depth
Depth: 35.0 km
Epicenter latitude / longitude: 19.86°S / 70.343°W↗ (South Pacific Ocean, Chile)
Antipode: 19.86°N / 109.657°E↗
Nearest volcano: Cerro Tatajachura (134 km / 83 mi)
Nearby towns and cities:
44 km (27 mi) NNW of Iquique (pop: 227,500) --> See nearby quakes!
154 km (96 mi) S of Arica (pop: 186,000) --> See nearby quakes!
205 km (128 mi) S of Tacna (Peru) (pop: 280,100) --> See nearby quakes!
249 km (155 mi) N of Tocopilla (pop: 24,500) --> See nearby quakes!
269 km (167 mi) SSE of Ilo (Peru) (pop: 53,500) --> See nearby quakes!
303 km (188 mi) SSE of Moquegua (Peru) (pop: 54,500) --> See nearby quakes!
324 km (201 mi) NNW of Calama (pop: 143,100) --> See nearby quakes!
395 km (246 mi) WSW of Oruro (Bolivia) (pop: 208,700) --> See nearby quakes!
405 km (252 mi) SSE of Arequipa (Peru) (pop: 841,100) --> See nearby quakes!
440 km (273 mi) SSW of La Paz (Bolivia) (pop: 812,800) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 atomic bombs!) More info
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.
|6.9||35 km||near the coast of Tarapaca, Chile||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (1 quake)
- 06 Oct 1940 15:38 UTC| M 6.4 |15 km (9.3 mi) depth|27 km (17 mi) distance| USGS | 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)