Strong mag. 6.3 earthquake - Antofagasta, Chile, on Monday, 17 January 1977 at 21:27 (GMT)
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Strong magnitude 6.3 earthquake at 33 km depth
Depth: 33.0 km
Epicenter latitude / longitude: 24.848°S / 68.674°W (Chile)
Nearest volcano: Llullaillaco (20 km / 12 mi)
Nearby towns and cities:
193 km (120 mi) ENE of Taltal (Antofagasta) (pop: 10,000) --> See nearby quakes!
218 km (136 mi) NE of Diego de Almagro (pop: 18,100) --> See nearby quakes!
219 km (136 mi) SE of Antofagasta (pop: 309,800) --> See nearby quakes!
267 km (166 mi) S of Calama (pop: 143,100) --> See nearby quakes!
325 km (202 mi) NNE of Copiapo (pop: 129,300) --> See nearby quakes!
329 km (205 mi) W of Salta (Argentina) (pop: 512,700) --> See nearby quakes!
344 km (214 mi) SSE of Tocopilla (pop: 24,500) --> See nearby quakes!
349 km (217 mi) WSW of San Salvador de Jujuy (Argentina) (pop: 305,900) --> See nearby quakes!
464 km (288 mi) NNE of Vallenar (pop: 44,900) --> See nearby quakes!
976 km (607 mi) N of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 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.
|M 6.3||33 km||Antofagasta, Chile||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks of the 6.3 quake Antofagasta, Chile, 17 January 1977 21:27 GMT
More infoRecorded aftershocks, latest first (2 quakes):
- 21 Jun 1977 23:28 UTC| M 4.7 |101 km (62.8 mi) depth|58 km (36 mi) distance| USGS | Details
- 22 May 1977 19:55 UTC| M 4.6 |134 km (83.3 mi) depth|60 km (37 mi) distance| USGS | Details