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Plaque showing location of San Andreas Fault in San Mateo County. The San Andreas Fault is a continental right-lateral strike-slip transform fault that extends roughly 1,200 kilometers (750 mi) through the U.S. state of California. [1] It forms part of the tectonic boundary between the Pacific plate and the North American plate. Traditionally ...
The most famous fault in the U.S. is San Andreas.Of course, the seismic overreactions of the film industry certainly help put its name in the minds of the disaster-conscious, but it’s infamy was ...
Scientists believe they may have found a reason why the San Andreas Fault, the largest seismic hazard in California, has been dormant for more than three centuries.. The average timespan between ...
The 800-mile San Andreas Fault is one of the largest fault lines in the world. A meeting of the North American and Pacific tectonic plates, this transform fault (where two tectonic plates move ...
The San Andreas Fault Observatory at Depth (SAFOD) was a research project that began in 2002 aimed at collecting geological data about the San Andreas Fault for the purpose of predicting and analyzing future earthquakes. [1] [2] The site consists of a 2.2 km (1.4 miles) pilot hole and a 3.2 km (2 miles) main hole. [3] Drilling operations ceased ...
To the south, the San Andreas Fault, a strike-slip fault and transform plate boundary, separates the Pacific plate and the North American plate. To the north lies the Cascadia subduction zone, where a section of the Juan de Fuca plate called the Gorda plate is being subducted under the North American plate, forming a trench (T).
The last big earthquake in this area on the San Andreas caused one part of the fault to move past the other by 12 to 14 feet, making it a likely magnitude 7.3 or 7.4 earthquake. Rockwell said he ...
The Franciscan Complex or Franciscan Assemblage is a geologic term for a late Mesozoic terrane of heterogeneous rocks found throughout the California Coast Ranges, and particularly on the San Francisco Peninsula. It was named by geologist Andrew Lawson, who also named the San Andreas Fault that defines the western extent of the assemblage. [1]