In the magnitude 6 earthquake that hit … The quake struck at 3:29 p.m. and was centered 1.7 miles southeast of Castro Valley. Sixteen earthquakes have struck the North Bay near the Geysers in the past 24 hours, with the strongest … Topics: Earthquake Index Volcano Index Tornado Index Other Weather Extremes Events Volcanos Nearby Historical Earthquake Events Historical Tornado Events Earthquake … Rotary Club of Castro Valley. A 3.1-magnitude earthquake was reported near Castro Valley, according to the U.S. Geological Survey. For example, in 1931 a magnitide-7.1 earthquake occurred on the Cerro Prieto Fault. The urban infrastructure in the Bay Area has been tested only by the relatively remote, 1989 magnitude 6.9 Loma Prieta earthquake, and the smaller 2014 magnitude 6.0 South Napa earthquake. This type of home is quite common throughout areas of California at high risk for significant shaking. There were no immediate reports of any damage or injuries. The population at greatest risk from a Hayward Fault earthquake is 100 times greater than in 1868. Full Story. It is estimated that the Agua Blanca Fault has the capacity to generate earthquakes as large as magnitide-7.3. ... Elf on the Shelf patrols, enforces speed with Castro Valley CHP. Linda Foster - Protecting, Mitigating, Recovery & Retrofit Programs for Californians after a Major Quake. A preliminary magnitude 2.7 earthquake struck near Castro Valley Monday afternoon, according to the United States Geological Survey.. Meeting Highlights - March 5, 2019. COVID-19 holiday risk: The safest and most dangerous activities ... San Leandro, Castro Valley, Hayward, Union City, Fremont and San Jose. CASTRO VALLEY, CA — A magnitude 2.7 earthquake was centered in the Castro Valley Monday afternoon. The quake hit at 10:52 AM local time at a depth of 5 kilometers. In 1956 a magnitide-6.8 earthquake originated on the San Miguel-Vallecitos fault. The largest earthquake within 30 miles of Alameda County, CA was a 6.1 Magnitude in 1984. ... COVID-19 holiday risk: The safest and most dangerous activities. The USGS database shows that there is a 99.51% chance of a major earthquake within 50km of Alameda County, CA within the next 50 years. The risk of tornado damage in Castro Valley is about the same as California average and is much lower than the national average. In 1892 a magnitide-7-7.5 earthquake occurred on the Laguna Salada Fault. Alameda County, CA has a very high earthquake risk, with a total of 234 earthquakes since 1931. It hit at 3:28 p.m., according to the U.S. Geological Survey. 2.6 magnitude earthquake followed by 3.4 near San Leandro. The United States Geological Survey reports a preliminary magnitude 3.0 earthquake struck near Castro Valley, CA on Sunday. 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