Santa Clara County water officials have been ordered to drain the reservoir by Oct. 1. The level of risk was based on the probability of a magnitude 5.0 earthquake in each place. Santa Clarita has had: (M1.5 or greater) 1 earthquake in the past 24 hours 12 earthquakes in the past 7 days; 32 earthquakes in the past 30 days; 335 earthquakes in the past 365 days Most earthquake fault zones serve as a general guide of a broader area where potential hazards can exist, meaning that every parcel located within a highlighted area is not necessarily at risk … Visit our COVID-19 page and coronavirus.gov for the latest updates on the pandemic response. Cupertino, CA has a very high earthquake risk, with a total of 3,401 earthquakes since 1931. People stroll along the shoreline of Lake Elizabeth in Central Park … The biggest reservoir in Santa Clara County must be completely drained starting October 1st due to the risk of its dam collapsing in a major earthquake, according to the Federal Energy Regulatory Commission. Federal dam regulators are ordering the biggest reservoir in Santa Clara County to be drained because of earthquake risk. FEMA announced the Phase 1 rollout of the National Risk Index, a new online resource that helps illustrate communities most at risk from natural hazards. SAN JOSE, Calif. - Santa Clara County released new COVID-19 quarantine guidance on Monday, which shortens the length of quarantine from 14 to … The fault divides into three segments, each with different characteristics and a different degree of earthquake risk. The largest earthquake within 30 miles of … At a Glance. The USGS database shows that there is a 99.65% chance of a major earthquake within 50km of Cupertino, CA within the next 50 years. The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers (750 mi) through California. Close by the city is the Calaveras fault, which winds through eastern Santa Clara county. Anderson Reservoir is currently limited to about 58% of its capacity due to seismic concerns (see News and Updates tab below for current operating capacity), costing Santa Clara County valuable drinking water resources. Feds order Santa Clara County’s biggest reservoir to be drained due to earthquake collapse risk Failure if reservoir is full could send 35-foot wall of water into Morgan Hill And it's not just Silicon Valley at direct risk of a major earthquake. While these faults contribute to San Jose earthquake risk, the movement of these intersecting faults relieve the grinding between the Pacific and North American plates. 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