1973, 1989; Greene 1977, 1990; McCulloch and Greene 199… San Gregorio Fault Last updated February 20, 2019 U.S. Geological Survey map showing the trace of the San Gregorio Fault in yellow, lower center.. The faults shown here are represented by simple lines which do not show how deep and large they are. For the most up-to-date information, please refer to the interactive fault map. It's located in California, United States.Along the Big Sur coastline, just an easy walk from the highway, lies an easily accessible fault to explore! The southern end of the fault is in southern Monterey Bay, and the northern end is about 20 km northwest of San Francisco, near Bolinas Bay, where the San Gregorio intersects the San Andreas Fault. USGS Show More Show Less 21 of 21 San Gregorio Fault. "The Greenville fault is a fault that moves side to side just like the San Andreas or the Hayward fault. “The San Gregorio fault is a pretty major feature in the plate boundary between the North American and Pacific plates,” Ladinsky said. This is the Santa Cruz coastline and you have seen this area in past labs. The San Gregorio Fault zone occurs predominantly in the offshore and extends 400 km from Point Conception on the south to Bolinas and Point Reyes on the north (Dickinson and others, 2005), coming onland at coastal promontories such as Pescadero Point in the map area and Pillar Point, a few km north of Half Moon Bay (sheet 9). In fact, the fault lies only 2½ miles offshore from the nuclear power plant. However, it is actually a wide fault zone with several different smaller faults from the San Gregorio fault offshore of Monterey Bay in the west to western Nevada in the east (figure 1). As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. Using Google Maps, go to 37°30’13.9” 122°29’47.4” (37.503861, -122.496500). The faults shown here are represented by simple lines which do not show how deep and large they are. Additional regional right-lateral fault displacements that may total in the range of hundreds of kilometers occurred along the San Gregorio Fault and other fault systems along the west side of the Santa Cruz Mountain and offshore. The Hosgri Fault (also Hosgri Fault Zone, San Gregorio-Hosgri Fault Zone) is an offshore fault zone located near the Central Coast of California in San Luis Obispo County. Sea level rise also may bring changes to our park. Coordinates: 35°07′N 119°39′W / 35.117°N 119.650°W / 35.117; -119.650, Geological Society of America:STRUCTURAL ANALYSIS OF THE SAN SIMEON FAULT ZONE, CALIFORNIA: IMPLICATIONS FOR TRANSFORM TECTONICS, "A Seismological Shoot-Out at Diablo Canyon", American Association for the Advancement of Science, Rescue Lineament-Bear Mountains fault zone, https://en.wikipedia.org/w/index.php?title=Hosgri_Fault&oldid=993327880, Geology of San Luis Obispo County, California, San Luis Obispo County, California geography stubs, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 December 2020, at 01:26. Length: N/A. Geo Lab - San Gregorio Fault (GC2YTK1) was created by Raramuri on 6/23/2011. 60a The Palo Colorado-San Gregorio fault zone may be more than 200 km long; it is narrow (approximately 3 km wide) and is represented in most places by one or two faults. The San Gregorio Fault is part of a system of coastal faults which run roughly parallel to the San Andreas. The MBNMS is located along the active transform boundary (the San Andreas fault system) separating the Pacific Plate from the North American Plate. The Hunting Creek, Berryessa, Green Valley, Concord fault system right behind at 16 percent and the San Gregorio fault line follows at 6 percent. San Gregorio Fault: | The |San Gregorio Fault| is an active |earthquake fault| located off the coast of |Northe... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled. [5] More recently in 2008, yet another even closer fault was discovered, the Shoreline Fault 1 mile from the NPP. Like the San Andreas fault, the San Gregorio is a right lateral strike slip fault. It's a Not chosen size geocache, with difficulty of 1.5, terrain of 1.5. Largest recorded earthquake: Possibly earthquakes with magnitude 7.0 (A lot less is known about the San Gregorio Fault … This is the Santa Cruz coastline and you have seen this area in past labs. Filed Under: Carmel Valley, Earthquake, Earthquakes, Quake, San Gregorio Fault… Introduction The San Gregorio fault zone is the principal tectonic structure west of the San Andreas fault in the coastal region of central California between Monterey Bay and Bolinas La- goon. Here the fault system is over 100 km wide and incorporates faults in the offshore, including those of the Palo Colorado-San Gregorio and Monterey Bay fault zones (Figure 2). Which describes the reason for more potential damage from earthquakes in the Bay Area than south of the Bay Area? Seismologists monitor activity on the Hosgri fault constantly because of its physical proximity to the nuclear Diablo Canyon Power Plant. The main fault stretches for about 87 miles (140 km), and is located nearest to the coastal communities of Cambria, San Simeon, Morro Bay, Baywood Park-Los Osos and Avila Beach. West of the San Andreas fault, the 400-kilometer-long San Gregorio-Hosgri fault extends primarily offshore between Point Conception and Bolinas, and sits within 3 nautical miles (in state waters) of the Diablo Canyon Power Plant. The fault is located primarily offshore, with strands intersecting the coastline at only two locations: between Pt. The Hosgri Fault (also Hosgri Fault Zone, San Gregorio-Hosgri Fault Zone) is an offshore fault zone located near the Central Coast of California in San Luis Obispo County.The main fault stretches for about 87 miles (140 km), and is located nearest to the coastal communities of Cambria, San Simeon, Morro Bay, Baywood Park-Los Osos and Avila Beach. The southern end of the fault is in southern Monterey Bay, and the northern end is about 20 km northwest of San Francisco, near Bolinas Bay, where the San Gregorio intersects the San Andreas Fault. The San Andreas fault system is creeping in the bay area. [1] The November 4, 1927 Lompoc earthquake (magnitude 7.1) is thought to have occurred (uncertainty) on this fault.[4]. [1] The fault system (including its branches) is some 260 mi (420 km) long, and is a right-lateral strand of the San Andreas Fault system. Early-Morning Magnitude 3.5 Earthquake Shakes Carmel Valley Along San Gregorio Fault. [2], "The Northern San Gregorio Fault Zone: Evidence for the Timing of Late Holocene Earthquakes near Seal Cove, California", Rescue Lineament-Bear Mountains fault zone, https://en.wikipedia.org/w/index.php?title=San_Gregorio_Fault&oldid=944060999, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 March 2020, at 13:45. 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