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The Cabrillo Formation is a Maastrichtian stage geologic formation in coastal San Diego County, southern California. It is part of the Rosario Group . [ 2 ] The Maastrichtian stage is of the Late Cretaceous Epoch , during the Mesozoic Era .
The fault has the potential of triggering a 6.5-magnitude earthquake. [4] Because the Richter scale is logarithmic, Diablo Canyon is designed to withstand an earthquake of shaking amplitude ten times larger than that which the Shoreline fault is capable of triggering, based on an analysis by plant owner Pacific Gas & Electric (PG&E).
The probability of a serious earthquake on various faults has been estimated in the 2008 Uniform California Earthquake Rupture Forecast. According to the United States Geological Survey, Southern California experiences nearly 10,000 earthquakes every year. [3] Details on specific faults can be found in the USGS Quaternary Fault and Fold Database.
The New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.
Shoreline Fault is a 25 km long vertical strike-slip fault [1] discovered in 2008 that lies less than a mile from the Diablo Canyon Nuclear Power Plant in California. It is thought to be able to produce quakes up to 6.8 magnitude. [ 2 ]
The Imperial fault was the source of the 1940 El Centro earthquake and the 1979 Imperial Valley earthquake. There was more than 30 km (19 mi) of surface rupture associated with the 1979 event along the northwest trending Imperial fault from just north of the Mexico–United States border to an area south of Brawley and the BSZ was found to have ...
The new court order and fault report come as Edison faces increased scrutiny over its potential responsibility for a fire that burned more than 14,000 acres, destroyed more than 9,400 structures ...
Locations of quakes magnitude 2.5 or greater in the Wabash Valley (upper right) and New Madrid (lower left) Seismic Zones. The Wabash Valley seismic zone (also known as the Wabash Valley fault system or fault zone) is a tectonic region located in the Midwestern United States, centered on the valley of the lower Wabash River, along the state line between southeastern Illinois and southwestern ...