Moderate mag. 4.8 earthquake - South Pacific Ocean, 53 km southwest of San Antonio, Valparaiso, Chile, on Thursday, 7 March 1985 at 16:00 (GMT)
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Chile| Region de Valparaiso | Santiago Metropolitan | O'Higgins Region
Moderate magnitude 4.8 earthquake at 33 km depth
Date & time: 7 Mar 1985 16:00:10 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 33.861°S / 72.088°W (South Pacific Ocean, Chile)
Nearest volcano: Palomo (185 km / 115 mi)
Nearby towns and cities:
53 km (33 mi) SW of San Antonio (pop: 85,700) --> See nearby quakes!
56 km (35 mi) SW of Cartagena (San Antonio) (pop: 16,900) --> See nearby quakes!
83 km (52 mi) WSW of Melipilla (pop: 63,100) --> See nearby quakes!
101 km (63 mi) SSW of Valparaiso (pop: 282,400) --> See nearby quakes!
106 km (66 mi) SSW of Viña del Mar (pop: 294,600) --> See nearby quakes!
109 km (67 mi) SSW of Quilpue (pop: 130,300) --> See nearby quakes!
113 km (70 mi) SW of Villa Alemana (pop: 97,300) --> See nearby quakes!
129 km (80 mi) WNW of Rancagua (pop: 212,700) --> See nearby quakes!
141 km (87 mi) WSW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
143 km (89 mi) WSW of Puente Alto (pop: 510,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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.
|4.8||33 km||offshore Valparaiso, Chile||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.