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! Like the San Andreas fault, the San Gregorio is a right lateral strike slip fault. Using Google Maps, go to 37°30’13.9” 122°29’47.4” (37.503861, -122.496500). Learn how to create your own. The faults shown here are represented by simple lines which do not show how deep and large they are. 85 Boulders of serpentinite and greenstone can be viewed along the paths and in the walls around the Vista Point. The San Andreas fault is third at 22 percent. The San Gregorio Fault is an active, 209 km (130 mi) long fault located off the coast of Northern California. 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). Largest recorded earthquake: Possibly earthquakes with magnitude 7.0 (A lot less is known about the San Gregorio Fault … It's a Not chosen size geocache, with difficulty of 1.5, terrain of 1.5. Early-Morning Magnitude 3.5 Earthquake Shakes Carmel Valley Along San Gregorio Fault. The fault system (including its … The Palo Colorado-San Gregorio fault zone parallels the Hayward fault and resembles that fault in length, seismicity, and sense of movement. [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. 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. 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. The MBNMS is located along the active transform boundary (the San Andreas fault system) separating the Pacific Plate from the North American Plate. [5] More recently in 2008, yet another even closer fault was discovered, the Shoreline Fault 1 mile from the NPP. The San Andreas Fault sits at 22 percent, with the Concord Fault at 16 percent, and the San Gregorio Fault at six percent. January 10, 2016 at 7:51 am. The San Andreas fault system is creeping in the bay area. The San Gregorio Fault is part of a system of coastal faults which run roughly parallel to the San Andreas. The San Andreas fault is the primary feature of the system and the longest fault in California, slicing through Los Angeles County along the north side of the San Gabriel Mountains. Geo Lab - San Gregorio Fault (GC2YTK1) was created by Raramuri on 6/23/2011. Archived report (descriptions no longer maintained) San Gregorio fault zone, San Gregorio section (Class A) No. 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. San Gregorio Fault. The peninsula then started migrating north along the San Gregorio fault to merge alongside the San Andreas Fault along which it now travels. 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 San Gregorio fault is a pretty major feature in the plate boundary between the North American and Pacific plates,” Ladinsky said. The acoustic character and morphology of the sonar images, enhanced by SeaBeam bathymetry, show the path of the San Gregorio fault zone across the shelf, upper slope, and Monterey Canyon. "The Greenville fault is a fault that moves side to side just like the San Andreas or the Hayward fault. These fault zones are seismically active, and in many places offset the seafloor or Quaternary sedimentary rocks (Greene et al. This map was created by a user. 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). Concord Fault. And it is roughly parallel in strike to them. The Hunting Creek, Berryessa, Green Valley, Concord fault system right behind at 16 percent and the San Gregorio fault line follows at 6 percent. The San Gregorio fault is the westernmost major fault that is part of the San Andreas Fault system. This is the Santa Cruz coastline and you have seen this area in past labs. 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. [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. It can cause powerful earthquakes—as big as magnitude 8. Filed Under: Carmel Valley, Earthquake, Earthquakes, Quake, San Gregorio Fault… The San Andreas Fault and other Bay Area fault zones are on both sides of the bay: San Jose fault, Berrocal fault zone, Hayward fault zone, Chabot fault, San Gregorio fault zone and others. • San Gregorio fault: The San Gregorio fault runs west of the San Andreas, roughly off the coast of the Bay Area and along seashore areas of Marin … The San Gregorio fault is the westernmost major fault that is part of the San Andreas Fault system. During Tuesday’s presentation, Ladinsky plans to discuss the complexity of the fault line and how it has influenced the surrounding landscape. Rodgers Creeks Fault. Sea level rise also may bring changes to our park. Like the San Andreas fault, the San Gregorio is a right lateral strike slip fault. Seismologists monitor activity on the Hosgri fault constantly because of its physical proximity to the nuclear Diablo Canyon Power Plant. The faults shown here are represented by simple lines which do not show how deep and large they are. Moreover, both faults appear to intersect the San Andreas fault, at the same angle, the Hayward fault at its south end and the Palo Colorado-San Gregorio fault at … USGS Show More Show Less 21 of 21 San Gregorio Fault. [3] Its movement is primarily reverse thrust, as well as exhibiting right lateral slip, and is thought to be capable of generating earthquakes of up to magnitude 7.5. [1] The November 4, 1927 Lompoc earthquake (magnitude 7.1) is thought to have occurred (uncertainty) on this fault.[4]. The most significant of these faults is the San Andreas Fault, a 750-mile-long transform fault that runs across California. The Monterey Bay-Tularcitos faults, and many other area fault zones are both in the bay and on land: San Gregorio fault zone, Cypress Point fault, Reliz fault zone, San Andreas fault zone, Zayante-Vergeles fault zone, and Butano fault. 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. A side-scan sonar survey was conducted of Monterey Canyon and the San Gregorio fault zone, off shore of Monterey Bay. Point Reyes National Seashore is a park on the move, currently docked at Olema and Point Reyes Station, but destined to continue to move. The San Gregorio Fault is an active, 209 km (130 mi) long fault located off the coast of Northern California. 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). movement on San Gregorio Fault The San Andreas Fault, considered a long transform fault, passes to the east of Monterey Bay in west-central California, USA. 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 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. Using Google Maps, go to 37°30’13.9” 122°29’47.4” (37.503861, -122.496500). The most recent major earthquake along the fault occurred some time between 1270-1775 AD, with an estimated magnitude of 7 to 7.25. Most of the San Gregorio fault trace is located offshore beneath the waters of Monterey Bay, Half Moon Bay, and the Pacific Ocean, though it cuts across land near Point Año Nuevo and Pillar Point. 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 fault is located primarily offshore, with strands intersecting the coastline at only two locations: between Pt. For the most up-to-date information, please refer to the interactive fault map. This is the Santa Cruz coastline and you have seen this area in past labs. Which describes the reason for more potential damage from earthquakes in the Bay Area than south of the Bay Area? Length: N/A. The San Gregorio fault is the principal active fault west of the San Andreas fault in central coastal California, yet it remains the largest known fault in the region whose seismogenic potential is not known. 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. 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. [1] The movement of the San Gregorio is right-lateral strike-slip, and the slip rate is estimated to be 4 to 10 mm/year (0.2 to 0.4 inch/year). 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. This zone appears to connect with faults mapped on land near Ano Nuevo Point and Point Sur. 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. [2], The Hosgri Fault is a component of the San Andreas Fault system. In fact, the fault lies only 2½ miles offshore from the nuclear power plant. 1973, 1989; Greene 1977, 1990; McCulloch and Greene 199… Geo Lab - San Gregorio fault ( GC2YTK1 san gregorio fault was created by Raramuri on 6/23/2011 and you have seen area. 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