Strong mag. 5.5 earthquake - 2.4 mi east of Alum Rock, Santa Clara County, California, USA, on Monday, 5 September 1955 at 02:01 (GMT)
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Strong magnitude 5.5 earthquake at 0 km depth
Date & time: 5 Sep 1955 02:01:18 UTC
Depth: 0.0 km
Epicenter latitude / longitude: 37.367°N / 121.783°W (Santa Clara County, California, United States)
Nearest volcano: Clear Lake (198 km / 123 mi)
Nearby towns and cities:
3 km (2 mi) ESE of East Foothills (pop: 8,270) --> See nearby quakes!
4 km (2 mi) E of Alum Rock (pop: 15,500) --> See nearby quakes!
10 km (6 mi) ENE of San Jose (pop: 1,026,900) --> See nearby quakes!
13 km (8 mi) ESE of Milpitas (pop: 77,600) --> See nearby quakes!
15 km (10 mi) E of Santa Clara (pop: 126,200) --> See nearby quakes!
22 km (14 mi) E of Sunnyvale (pop: 151,800) --> See nearby quakes!
27 km (17 mi) E of Mountain View (pop: 80,400) --> See nearby quakes!
27 km (17 mi) SE of Fremont (pop: 232,200) --> See nearby quakes!
72 km (45 mi) SE of San Francisco (pop: 864,800) --> See nearby quakes!
137 km (85 mi) S of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 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 5.5||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.