Strong mag. 5.3 earthquake - San Pedro Rock, 2.9 mi southwest of Daly City, San Mateo County, California, USA, on Friday, March 22, 1957 at 19:44 (GMT)
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Strong magnitude 5.3 earthquake at 0 km depth
Depth: 0.0 km
Epicenter latitude / longitude: 37.667°N / 122.483°W (San Mateo, California, United States)
Antipode: 37.667°S / 57.517°E
Nearest volcano: Clear Lake (147 km / 91 mi)
Nearby towns and cities:
5 km (3 mi) SSW of Daly City (pop: 106,600) --> See nearby quakes!
6 km (4 mi) N of Pacifica (pop: 39,300) --> See nearby quakes!
7 km (4 mi) W of South San Francisco (pop: 67,300) --> See nearby quakes!
8 km (5 mi) WNW of San Bruno (pop: 43,200) --> See nearby quakes!
13 km (8 mi) SSW of San Francisco (pop: 864,800) --> See nearby quakes!
18 km (11 mi) NW of San Mateo (pop: 103,500) --> See nearby quakes!
63 km (39 mi) NW of San Jose (pop: 1,026,900) --> See nearby quakes!
134 km (83 mi) SW of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) | about seismic energy
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.
|5.3||0 km||San Francisco Bay area, California (USA)||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)
|Date and time||Mag|
|Mar 23, 1957 08:13|
65 years ago
|North Pacific Ocean, 3 mi W of Daly City, San Mateo County, California, USA||More|