Moderate mag. 4.5 earthquake - South Pacific Ocean, 73 km southwest of San Antonio, Valparaiso, Chile, on Tuesday, 5 March 1985 at 21:10 (GMT)
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Moderate magnitude 4.5 earthquake at 33 km depth
Date & time: 5 Mar 1985 21:10:47 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 34.114°S / 72.091°W (South Pacific Ocean, Chile)
Nearest volcano: Palomo (174 km / 108 mi)
Nearby towns and cities:
32 km (20 mi) NNW of Los Navegantes (Provincia de Cardenal Caro) (pop: 231) --> See nearby quakes!
73 km (45 mi) SW of San Antonio (pop: 85,700) --> See nearby quakes!
77 km (48 mi) SW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
89 km (55 mi) NW of Santa Cruz (Colchagua) (pop: 33,300) --> See nearby quakes!
94 km (58 mi) WSW of Melipilla (pop: 63,100) --> See nearby quakes!
99 km (62 mi) WNW of San Vicente (Cachapoal) (pop: 22,600) --> See nearby quakes!
100 km (62 mi) WNW of San Vicente de Tagua Tagua (Cachapoal) (pop: 29,600) --> See nearby quakes!
124 km (77 mi) W of Rancagua (pop: 212,700) --> See nearby quakes!
151 km (94 mi) WSW of Puente Alto (pop: 510,400) --> See nearby quakes!
152 km (94 mi) WSW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) 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.
|4.5||33 km||offshore Libertador O'Higgins, Chile||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.