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Very strong mag. 6.5 earthquake - Atacama, Chile, on Friday, May 4, 1923 at 22:26 GMT

Very strong mag. 6.5 earthquake - Atacama, Chile, on Friday, May 4, 1923 at 22:26 GMT Very strong mag. 6.5 earthquake - Atacama, Chile, on Friday, May 4, 1923 at 22:26 GMT

Very strong magnitude 6.5 earthquake at 35 km depth

Earthquake details

Date & timeMay 4, 1923 22:26:50 UTC
Local time at epicenter
Depth35.0 km
Epicenter latitude / longitude28.928°S / 71.332°W (Chile)
Antipode28.928°N / 108.668°E
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities68 km (42 mi) SW of Vallenar (pop: 44,900) | Show on map | Quakes nearby
109 km (68 mi) N of La Serena (pop: 154,500) | Show on map | Quakes nearby
114 km (71 mi) N of Coquimbo (pop: 161,300) | Show on map | Quakes nearby
137 km (85 mi) NNW of Vicuña (pop: 13,500) | Show on map | Quakes nearby
187 km (116 mi) N of Ovalle (pop: 77,100) | Show on map | Quakes nearby
199 km (124 mi) SSW of Copiapo (pop: 129,300) | Show on map | Quakes nearby
200 km (124 mi) N of Monte Patria (pop: 13,900) | Show on map | Quakes nearby
301 km (187 mi) N of Illapel (Choapa) (pop: 22,800) | Show on map | Quakes nearby
312 km (194 mi) SSW of Diego de Almagro (pop: 18,100) | Show on map | Quakes nearby
508 km (316 mi) N of Santiago de Chile (pop: 4,837,300) | Show on map | Quakes nearby
Estimated seismic energy released3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | about seismic energy
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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.
6.535 kmAtacama, 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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Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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