While the southern section of the fault and the parts through Parkfield experience earthquakes, the rest of the central section of the fault exhibits a phenomenon called aseismic creep, where the fault slips continuously without causing earthquakes. The central segment of the San Andreas Fault runs in a northwestern direction from Parkfield to Hollister. After that, it runs underwater along the coast until it nears Cape Mendocino, where it begins to bend to the west, terminating at the Mendocino Triple Junction. (In this region around the San Francisco Bay Area several significant "sister faults" run more-or-less parallel, and each of these can create significantly destructive earthquakes.) From Fort Ross, the northern segment continues overland, forming in part a linear valley through which the Gualala River flows. It returns underwater through the linear trough of Tomales Bay which separates the Point Reyes Peninsula from the mainland, runs just east of Bodega Head through Bodega Bay and back underwater, returning onshore at Fort Ross. The fault returns onshore at Bolinas Lagoon just north of Stinson Beach in Marin County. This is the approximate location of the epicenter of the 1906 San Francisco earthquake. The northern segment of the fault runs from Hollister, through the Santa Cruz Mountains, epicenter of the 1989 Loma Prieta earthquake, then up the San Francisco Peninsula, where it was first identified by Professor Lawson in 1895, then offshore at Daly City near Mussel Rock. Ī map displaying each of the seven major faults in the San Francisco Bay Area, and the probability of an M6.7 earthquake or higher occurring on each fault between 20. A project called the San Andreas Fault Observatory at Depth (SAFOD) near Parkfield, Monterey County, involved drilling through the fault during 2004–2007 to collect material and make physical and chemical observations to better understand fault behavior. In 1953, geologist Thomas Dibblee concluded that hundreds of miles of lateral movement could occur along the fault. Following the 1906 San Francisco earthquake, Lawson concluded that the fault extended all the way into southern California. However, according to some of his reports from 18, Lawson actually named it after the surrounding San Andreas Valley. It is often described as having been named after San Andreas Lake, a small body of water that was formed in a valley between the two plates. The fault was identified in 1895 by Professor Andrew Lawson of UC Berkeley, who discovered the northern zone. The slip rate along the fault ranges from 20 to 35 mm (0.79 to 1.38 in)/yr. The fault divides into three segments, each with different characteristics and a different degree of earthquake risk. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizontal). The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers (750 mi) through California. While massive destruction and disaster are the main points of the movie, there are underlying messages about teamwork and helping people, and the main character is a heroic pilot who risks himself to save others.Plaque showing location of San Andreas Fault in San Mateo County Language includes one use of "f-k," a few uses of "s-t," and some other words. A young man and a young woman kiss she's also shown in a bikini and a tight tank top. A gun is shown, and there's some fighting a supporting character dies. There are countless (mostly bloodless) casualties, though some blood is shown - notably when a metal spike goes through a foot and a shard of glass winds up in someone's leg. There's rampant large-scale destruction: tumbling buildings, people being crushed/nearly crushed, floods, people drowning, etc. For anyone who's scared of earthquakes (particularly folks living in California), it could be a disturbing or even terrifying experience. Parents need to know that San Andreas is a disaster movie about a huge earthquake in California.
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