cgs seismic hazard zone report

. CGS developed earthquake scenarios for these five faults in the study area and for the White Mountains Fault Zone to the east of the study area. SEISMIC HAZARD ZONE REPORT 06 SEISMIC HAZARD ZONE REPORT FOR THE CALABASAS 7.5-MINUTE QUADRANGLE, LOS ANGELES AND VENTURA COUNTIES, CALIFORNIA CALIFORNIA GEOLOGICAL SURVEY'S PUBLICATION SALES OFFICES: Southern California Regional Office 888 South Figueroa Street, Suite 475 Los Angeles, CA 90017 (213) 239-0878 Publications and Information Office CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): mapping areas prone to landslides, liquefaction, and strong ground shak-ing. This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. These seismic hazard zones were developed by the CGS under the requirements of the Seismic Hazards Mapping Act and/or the Alquist-Priolo Earthquake Fault California Geological Survey (CGS) and seismic hazard study zones have been established to identify areas where the potential for these hazards are most likely to exist. SHMA Seismic Hazard Zones Have Not Been Prepared for the La Jolla Quadrangle. Trust Center . Subject: Fault Rupture Hazard Review. The official seismic hazard maps prepared by the California Geological Survey (CGS) delineate zones in which site-specific hazard investigations are required, and not locations where a seismic hazard is known to be present. loss of life and property by identifying and mitigating seismic hazards. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): reserved. The purpose of the Act is to reduce the threat to National Seismic Hazard Maps and Working Group on California Earthquake Probabilities 2007," Special Report 203A. No part of this publication may be reproduced without written consent of the Department of Conservation. Borehole Database. The California Geological Survey (CGS) defines an active fault as one that has had surface displacement within Holocene time (about the last 11,000 years); and a sufficiently active . The California Geological Survey (CGS) is dedicated to providing scientific products and services about the state's geology, seismology, and mineral resources that affect the health, safety, and business interests of the people of California. As part of the U.S. Geological Survey's (USGS) multi-hazards project in the Long Valley Caldera-Mono Lake area, the California Geological Survey (CGS) developed several earthquake scenarios and evaluated potential seismic hazards, including ground shaking, surface fault rupture, liquefaction, and landslide hazards associated with these earthquake scenarios. Seismic Technical Background Report March 15, 2010 2 KFM GeoScience 1.2. Title: Oakland West Quadrangle Zone Map Author: CGS Staff Subject: Seismic Hazard Zones Keywords: liquefaction,landslide, earthquakes, seismic hazards, zone maps . All of the zones or areas listed above are viewable on the NavigateLA website. Seismic hazard zone report of the los gatos 7.5 minute quadrangle, santa clara county. Seismic Technical Background Report March 15, 2010 2 KFM GeoScience 1.2. forecast for California as input to the 2007 revisions of the national seismic hazard Fault Evaluation Report FER-216. However, based on the current understanding of the geologic framework of the area, ground shaking resulting from an earthquake occurring along regional faults is the seismic hazard with the highest probability of affecting the project site. The state has already mapped most of the Peninsula, including Montara Mountain, Woodside and San Mateo. Paper copies of Official Seismic Hazard Zone Maps are available for purchase from: BPS Reprographic Services 945 Bryant Street San Francisco, CA 94103 (415) 495-8700 The Seismic Hazard Zone Report documents the methods and data used to construct the Seismic Hazard Zone Map for each 7.5-minute quadrangle evaluated by CGS. Members of the public who want to see whether their property is in either a CGS Alquist-Priolo Earthquake Fault Zone or a Seismic Hazard Zone can enter an address into CGS' EQZapp tool. California Geological Survey Earthquake Fault Zones California real estate Earthquake Fault Zone. The services DOC provides are designed to balance today's needs with tomorrow's obligations by fostering the wise use and conservation of energy, land and mineral resources. The information should This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Ontario is susceptible to earthquakes, settlement of alluvial deposits that underlie the region, and subsidence caused by rapid withdrawal of groundwater. the Act states that "cities and counties shall require, prior to the approval of a project located in a seismic hazard zone, a geotechnical report defining and delineating any seismic hazard." California Building Code The State of California provides a minimum standard for building design through Title 24 of the California The California Geological Survey (CGS) recently released the official Seismic Hazard Zones maps of the Altamont, Dublin and Livermore 7.5-minute quadrangles including the Livermore Valley and . Three types of geological hazards, referred to as seismic hazard zones, may be featured on the map: 1) liquefaction, 2) earthquake-induced landslides, and 3) overlapping liquefaction and earthquake-induced landslides. to the approval of a project located in a seismic hazard zone, a geotechnical report defining and delineating any seismic hazard. Problems with Internet Explorer? Liquefaction We have performed engineering analyses to evaluate the potential for liquefaction at the site if the design earthquake event were to . In this report, an earthquake scenario is intended to depict the potential consequences of significant earthquakes. the CGS Seismic Hazard Zone Mapping Project, submitted to FEMA, suggested that these regulatory zones have a 9 to 1 benefit-cost ratio. Three types of geological hazards, referred to as seismic hazard zones, may be featured on the map: 1) liquefaction, 2) earthquake-induced landslides, and 3) overlapping liquefaction and . The objectives of Special Publication 117 are to assist in the evaluation and mitigation of earthquake-related hazards for projects . 03-CGS0960 . Only areas with a white background are considered part of the General Plan. SEISMIC HAZARD ZONE REPORT 026 SEISMIC HAZARD ZONE REPORT FOR THE HOLLYWOOD 7.5-MINUTE QUADRANGLE, LOS ANGELES COUNTY, CALIFORNIA CALIFORNIA GEOLOGICAL SURVEY'S PUBLICATION SALES OFFICES: Southern California Regional Office 888 South Figueroa Street, Suite 475 Los Angeles, CA 90017 (213) 239-0878 Publications and Information Office Regulatory Maps. The California Geological Survey (CGS) defines an active fault as one that has had surface displacement within Holocene time (about the last 11,000 years); and a sufficiently active . Wilson 7.5-Minute Quadrangle, Los Angeles County, California, Seismic Hazard Zone Report 030. Purpose. Each city or county shall . Special Publication 117 by the California Geological Survey. SEISMIC HAZARD ZONE REPORT 070 SEISMIC HAZARD ZONE REPORT FOR THE RICHMOND 7.5-MINUTE QUADRANGLE, ALAMEDA COUNTY, CALIFORNIA CALIFORNIA GEOLOGICAL SURVEY'S PUBLICATION SALES OFFICES: Southern California Regional Office 888 South Figueroa Street, Suite 475 Los Angeles, CA 90017 (213) 239-0878 Publications and Information Office All of the zones or areas listed above are viewable on the NavigateLA website. The CGS has completed seismic hazard mapping in areas considered high priority in the San Francisco Bay Area. Examples: notice of proposed rulemaking action, or renewal plan. Seismic Hazard Mapping Act, State of California Public Resources Code, Section 2690 et seq., 2. The process of zonation for liquefaction hazard involves evaluation of earthquake loading, Quaternary geologic maps, groundwater level records, and subsurface geotechnical data. Earthquakes can be so strong they knock houses and buildings off their foundation. may be incorporated in future CGS seismic hazard zone maps, USGS maps should not be used as substitutes for these Official SEISMIC HAZARD ZONES maps. United States Geological Survey — Latest . Landslides. AP Site Investigation Reports. This Seismic Hazard Zone Report describes the development of the Seismic Hazard Zone for the San Francisco South 7.5-Minute Quadrangle, San Mateo County. Geologic and Seismic Hazard Planning Considerations For planning purposes, geologic and seismic hazards are significant considerations in the selection of development locations, affect the process through which a safe project is developed, • An "Alquist-Priolo Earthquake Fault Zone" as identified by CGS. liquefaction zone is located primarily within a mile of the Santa Ana River.3 Exhibit PS-2: Liquefaction Zones, shows the portions of the planning area that are located with the liquefaction zone. As previously noted for maps of thistype by Wieczorek and others (1985), this map should not be used as a basis to determine the absolute risk from seismically triggered The maps affect areas in both northern and southern California. Once hazard zones are established for an area, a thorough geological investigation is required for residential and commercial construction in order to get a building permit from the local jurisdiction. Seismic Hazard Zone Report for the Malibu Beach 7.5-Minute Quadrangle, Los Angeles County, California, 2001 - Download from SHMP: SP 60: Earthquake Planning Scenario for a Magnitude 8.3 Earthquake on the San Andreas fault in Southern California, 1982: OFR 82-24 What does it mean to be located within a Seismic Hazard Zone? _____. Beverly Hills High School . The point is to get a home fax report and learn to how to buy a house like an expert. 1999a. zone depicted on the official State of California Seismic Hazard maps (California Geological Survey 2003a, 2003b). It . Therefore, geologic hazards associated with landsliding are not anticipated at the site. The purpose of the Act is to reduce the threat to _____. Complete USGS Open-file Report 2008-1270 includes full text and spatial database files. As mentioned previously, the campus is within one of the Liquefaction Hazard Zones designated by the California Geological Survey (CGS, 2002). CGS Application No. The CGS's Seismic Hazard Zone maps found "significant" liquefaction zones in parts of San Mateo County, particularly in Half Moon Bay, Miramar and San Bruno. : 303514‐002 Report No. Service Description: This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Dear Mr. Cayabyab: In accordance with your request and transmittal of documents oApril 24n , 2012, the California Geological Survey (CGS) reviewed the -wide campusfault rupture study report prepared for These regulations shall govern the exercise of city, county and state agency responsibilities to identify and map seismic hazard zones and to mitigate seismic hazards to protect public health and safety in accordance with the provisions of Public Resources Code, Section 2690 et seq. 6) USGS base map standards provide that 90 percent of cultural features be located within 40 feet (horizontal accuracy) at the scale of this map. Association of Bay Area Governments offers shaking maps, liquefaction maps, predictive transportation disruption maps, and more. 6) USGS base map standards provide that 90 percent of cultural features be located . California Geological Survey, 2007, "Fault-Rupture Hazard Zones in California, Alquist-Priolo Earthquake Fault Zoning Act with Index to Earthquake Fault Zones Maps," Special Publication 42, Interim Revision. Menu Contact Search Three types of geological hazards, referred to as seismic hazard zones, may be featured on the map: 1) liquefaction, 2) earthquake-induced landslides, and 3) overlapping liquefaction and earthquake-induced landslides. New fault parameters have been Seismic Hazard Mapping Act, State of California Public Resources Code, Section 2690 et seq., 2. Earthquake shaking hazards are calculated by projecting earthquake rates based on earthquake history and fault slip rates, the same data used for calculating earthquake probabilities. (Seismic Hazards Mapping Act). State of California. 2 California Geological Survey, Seismic Hazard Zone Report for the Yorba Linda 7.5-Minute Quadrangle, Los These zones were created by the Alquist-Priolo Earthquake Fault Zones Act. SEISMIC HAZARD ZONE REPORT FOR THE MONTARA MOUNTAIN 7.5-MINUTE QUADRANGLE, SAN MATEO COUNTY, CALIFORNIA 2019 DEPARTMENT OF CONSERVATION California Geological Survey STATE OF CALIFORNIA GAVING . Contact Us. within Seismic Hazard Zones must incorporate standards specified by California Geological Survey (CGS) Special Publication 117, Guidelines for Evaluating and Mitigating Seismic Hazards (CGS, 1997). Skip to Main Content. The California Geological Survey's Earthquake Hazards Zone Application (EQ Zapp) is an interactive map that details the risk of earthquakes and related hazards for different areas of the state. levels by the California Geological Survey (CGS, 2002a) indicates that groundwater has been about 25 feet below the ground surface near the subject site. Liquefaction and Landslide Hazards The California Geological Survey is releasing new Zones of Required Investigation (ZORIs) under the Seismic Hazard Mapping Act (SHMA) for both liquefaction and earthquake-induced landslides for the San Francisco South 7.5-minute quadrangle, in which the City of South San Francisco is located. CGS developed earthquake scenarios for these five faults in the study area and for the White Mountains Fault Zone to the east of the study area. may be incorporated in future CGS seismic hazard zone maps, USGS maps should not be used as substitutes for these Official SEISMIC HAZARD ZONES maps. Fault Rupture Hazard Zones in California, CGS Special Publication #42. be featured on the map: (c) it is necessary to identify and map seismic hazard zones in order for cities and counties to adequately prepare the safety element of their general . 1998f. Zoom to + Transparency + Set Visibility Range + Rename + Move up + Move down + Copy + Show in Legend + Hide in Legend + Remove + Filter Edits + Show All Edits . Alquist-Priolo Earthquake Fault Zones per the State of California Public Resources Code, Section 2620 et seq, and City of Los Angeles PFRSA. REGULATORY SETTING a. It was charged with two tasks: (1) collaborate with the National Seismic Hazard Mapping Program (NSHMP) in producing a revised, time-independent. "The Department of Conservation makes no warrantees as to the suitability of this product for any particular purpose." 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