Moderate mag. 4.8 earthquake - 2.2 mi northeast of Santa Rosa, Sonoma County, California, USA, on Thursday, October 2, 1969 at 04:56 (GMT)
Moderate magnitude 4.8 earthquake at 10 km depth
Depth: 10.0 km
Epicenter latitude / longitude: 38.467°N / 122.692°W (Sonoma, California, United States)
Antipode: 38.467°S / 57.308°E
Nearest volcano: Clear Lake (56 km / 35 mi)
Nearby towns and cities:
4 km (2 mi) NNE of Santa Rosa (pop: 175,000) --> See nearby quakes!
14 km (9 mi) SE of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
14 km (9 mi) N of Rohnert Park (pop: 42,400) --> See nearby quakes!
27 km (16 mi) N of Petaluma (pop: 60,400) --> See nearby quakes!
40 km (25 mi) WNW of Napa (pop: 80,400) --> See nearby quakes!
41 km (26 mi) NNW of Novato (pop: 55,500) --> See nearby quakes!
55 km (34 mi) NW of Vallejo (pop: 121,300) --> See nearby quakes!
62 km (38 mi) WNW of Fairfield (pop: 113,000) --> See nearby quakes!
81 km (50 mi) NNW of San Francisco (pop: 864,800) --> See nearby quakes!
105 km (65 mi) W of Sacramento (pop: 490,700) --> 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) | 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.
|4.8||10 km||Northern California (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.