Search results
Results from the WOW.Com Content Network
ShakeAlert is an earthquake early warning system (EEW) in the United States, developed and operated by the United States Geological Survey (USGS) and its partners. [1] As of 2021, the system issues alerts for the country's West Coast (specifically the states of California, Oregon and Washington). In 2024, Natural Resources Canada announced the ...
Calaveras Fault. The Calaveras Fault is a major branch of the San Andreas Fault System that is located in northern California in the San Francisco Bay Area. Activity on the different segments of the fault includes moderate and large earthquakes as well as aseismic creep. The last large event was the magnitude 6.2 1984 Morgan Hill event.
2014 South Napa earthquake. The 2014 South Napa earthquake occurred in the North San Francisco Bay Area on August 24 at 03:20:44 Pacific Daylight Time. At 6.0 on the moment magnitude scale and with a maximum Mercalli intensity of VIII (Severe), the event was the largest in the San Francisco Bay Area since the 1989 Loma Prieta earthquake.
The Cascadia subduction zone is a 960 km (600 mi) fault at a convergent plate boundary, about 100–200 km (70–100 mi) off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States. It is capable of producing 9.0+ magnitude earthquakes and tsunamis that could reach 30 m (98 ft).
A Magnitude 3.6 earthquake struck in Southern California on Sept. 16, 2024, according to the United States Geological Survey, marking the second temblor to hit the region in less than five days.
March 28, 2023 at 8:38 AM. A 3.5 magnitude earthquake struck Pacifica, California, on Tuesday morning followed by two smaller quakes, according to the United States Geographraphical Survey (USGS ...
UCERF3. The 2015 Uniform California Earthquake Rupture Forecast, Version 3, or UCERF3, is the latest official earthquake rupture forecast (ERF) for the state of California, superseding UCERF2. It provides authoritative estimates of the likelihood and severity of potentially damaging earthquake ruptures in the long- and near-term.
USGS. A magnitude 4.7 earthquake has been detected in California’s Ventura County, according to the United States Geological Survey. It was centered about 4 miles north of Malibu, the USGS said ...