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 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. 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, Seismic Hazard Zones Have Not Been Prepared for the La Jolla Quadrangle. PDF E. Geology and Soils - Lawrence Berkeley National Laboratory (PDF) California Geological Survey Zones of Required ... What does it mean to be located within a Seismic Hazard Zone? PDF Oakland West Quadrangle Zone Map - City of Berkeley State Regulations The California Geological Survey (CGS)2 is responsible for enforcing the Alquist-Priolo Earthquake Fault Zoning Act and enforcing the Seismic Hazards Mapping Act. Earthquakes can be so strong they knock houses and buildings off their foundation. Similarly, the Seismic Hazards Mapping Act (Section 2697(a)) requires cities and counties to submit a copy of each approved geologic/geotechnical report, prepared as a result of the presence of a Seismic Hazard Zone, to the State Geologist within 30 days of its approval. Alquist-Priolo Earthquake Fault Zones per the State of California Public Resources Code, Section 2620 et seq, and City of Los Angeles PFRSA. SeismiCat's development team has been working on preparing a new feature which would allow our subscribers to create automatic site-specific Seismic Hazard Reports that provide a complete overview of seismic hazards for any location within the U.S. The Alquist-Priolo Earthquake Fault Zoning Act of 1972 limits construction on active fault lines. (Seismic Hazards Mapping Act). PDF Seismic Hazard Zone Report for The Oakland West 7.5-minute ... Special Publication 117 by the California Geological Survey. Webservice of Seismic Hazard Zone Maps for Overlapping ... In 1880 the California Legistlature established the State Mining Bureau which has evolved during its 127 years of continuous service into the modern California Geological Survey (CGS). 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 An Earthquake Fault Zone is an area delineated by state offi cials to have an active fault within it and have the potential for surface rupture. : 303514‐002 Report No. The objectives of Special Publication 117 are to assist in the evaluation and mitigation of earthquake-related hazards for projects . Examples: notice of proposed rulemaking action, or renewal plan. No part of this publication may be reproduced without written consent of the Department of Conservation. PDF Exemptions From Liquefaction, Earthquake Induced Landslide ... Seismic Hazard Mapping Act, State of California Public Resources Code, Section 2690 et seq., 2. 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 . CA Geological Survey Releases New Maps Of Fault Line In ... . Seismic Technical Background Report March 15, 2010 2 KFM GeoScience 1.2. the CGS Seismic Hazard Zone Mapping Project, submitted to FEMA, suggested that these regulatory zones have a 9 to 1 benefit-cost ratio. Beverly Hills High School . Liquefaction Hazard Maps - USGS CGS Earthquake Zones - California . 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. 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 This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. 03-CGS0960 . CGS Information Warehouse - California 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. This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. It . REGULATORY SETTING a. Hazard Zones maps for the same area (California Geological Survey, 2003a,b,c,d,e). Fault Rupture Hazard Zones in California, CGS Special Publication #42. 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. to the approval of a project located in a seismic hazard zone, a geotechnical report defining and delineating any seismic hazard. California Geological Survey Seismic Hazard Zones Seismic hazard zone areas in California real estate .pdf format. SHMA levels by the California Geological Survey (CGS, 2002a) indicates that groundwater has been about 25 feet below the ground surface near the subject site. Seismic Hazards Mapping Act of 1990 In accordance with Public Resources Code, Chapter 7.8, Division 2, the California Department of Conservation, Division of Mines and Geology (now the CGS) is directed to delineate Seismic Hazard Zones through the Seismic Hazards Zonation Program. Seismic Hazard Zone Report for the Mt. Wilson 7.5-Minute Quadrangle, Los Angeles County, California, Seismic Hazard Zone Report 030. All of the zones or areas listed above are viewable on the NavigateLA website. Report Abuse . This includes links to the official published CGS map of each quadrangle, as well as the current CGS "Seismic Hazard Zone Report" for that quadrangle. November 25, 2019 3 Project No. Purpose. Seismic Hazard Evaluation Report for the Azusa 7.5-Minute Quadrangle, Los Angeles County, California, OFR 98-12. Seismic Hazard Maps for California. : 19‐11‐67 EARTH SYSTEMS SEISMICITY AND SEISMIC DESIGN Although the site is not within a State‐designated "fault rupture hazard zone", it is located in an Seismic Hazard Mapping Act, State of California Public Resources Code, Section 2690 et seq., 2. These zones were created by the Alquist-Priolo Earthquake Fault Zones Act. 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 of the los gatos 7.5 minute quadrangle, santa clara county. 1998f. 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 . California Department of Conservation administers a variety of programs vital to California's public safety, environment and economy. forecast for California as input to the 2007 revisions of the national seismic hazard 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 Fault Evaluation Report FER-216. Seismic Hazard Zones are organized by "quadrangles." Clicking on the liquefaction zone quadrangles in the map below will give you more information on the specific quadrangle. It was charged with two tasks: (1) collaborate with the National Seismic Hazard Mapping Program (NSHMP) in producing a revised, time-independent. Seismic Technical Background Report March 15, 2010 2 KFM GeoScience 1.2. California Geological Survey (CGS), and the Southern California Earthquake Center (SCEC). 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 "The purpose of the hazard zone maps is to trigger site-specific investigations, to make sure that any geological or earthquake hazards that are found . 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. 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). Trust Center . 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. 2 California Geological Survey, Seismic Hazard Zone Report for the Yorba Linda 7.5-Minute Quadrangle, Los SEISMIC HAZARD ZONE REPORT 023 SEISMIC HAZARD ZONE REPORT FOR THE BEVERLY HILLS 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 Through the CGS Strategic Framework, the CGS plans to develop fully probabilistic and semi-automated seismic hazard zoning methodologies, so all seismic hazard zones are prepared statewide and updated regularly. The state has already mapped most of the Peninsula, including Montara Mountain, Woodside and San Mateo. 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. CGS Information Warehouse. Regulatory Zones: Alquist-Priolo and Seismic Hazard zones require that additional study be . The point is to get a home fax report and learn to how to buy a house like an expert. Contact Esri . California Geological Survey Earthquake Fault Zones California real estate Earthquake Fault Zone. As mentioned previously, the campus is within one of the Liquefaction Hazard Zones designated by the California Geological Survey (CGS, 2002). The proposed project area is not located within an Alquist-Priolo Earthquake Fault Zone (CGS 1986). The California Geological Survey (CGS) recently released two additional maps identifying areas in East Contra Costa County that may be prone to seismic hazards, in the event of an earthquake. Borehole Database. The information should CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): mapping areas prone to landslides, liquefaction, and strong ground shak-ing. 4.1 Geotechnical Hazards Impact Sciences, Inc. 4.1-2 Vista Canyon Draft EIR 0112.024 October 2010 3. Mineral Lands Classification. CGS Application No. Developers looking to build near fault zones will likely face restrictions. Full Seismic Hazard Report. Landslides. 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. to the approval of a project located in a seismic hazard zone, a geotechnical report defining and delineating any seismic hazard. United States Geological Survey — Latest . 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. Regulatory Maps. California geological survey, seismic hazards zone report 069 . California Geological Survey, 1997, Seismic Hazard Zone Report for the Hollywood 7½ -minute quadrangle: CGS Seismic Hazard Zone Report 26, 61 p. California Geological Survey, 2002, Guidelines for Evaluating the Hazard of Surface Fault Rupture: CGS Note 49, 4 p. The maps affect areas in both northern and southern California. Search for the file you want by entering keywords. 4. AP Site Investigation Reports. 1999a. Earthquake Fault Zone Map: A map depiction of regulatory Earthquake Fault Zones. include CGS Special Publication 117, Guidelines for Evaluating and Mitigating Seismic Hazards in California, and CGS Special Publication 118, Recommended Criteria for Delineating Seismic Hazard Zones in California. 3720. S1 Seismic & Geologic Hazards. Problems with Internet Explorer? CGS Seismic Hazards Program: Alquist-Priolo Fault Hazard Zones. 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. All of the zones or areas listed above are viewable on the NavigateLA website. ; Cone Penetration Testing (CPT) data for Northwestern Alameda County; CGS Seismic Hazard Zone Maps loss of life and property by identifying and mitigating seismic hazards. Alquist-Priolo Earthquake Fault Zones per the State of California Public Resources Code, Section 2620 et seq, and City of Los Angeles PFRSA. 241 S. Moreno Drive, Beverly Hills, CA . Seismic Hazards Mapping Act of 1990 In accordance with Public Resources Code, Chapter 7.8, Division 2, the California Department of Conservation, Division of Mines and Geology (now the CGS) is directed to delineate Seismic Hazard Zones through the Seismic Hazards Zonation Program. 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 . Tsunami Hazard Area. Legal . Ontario is susceptible to earthquakes, settlement of alluvial deposits that underlie the region, and subsidence caused by rapid withdrawal of groundwater. Zoom to + Transparency + Set Visibility Range + Rename + Move up + Move down + Copy + Show in Legend + Hide in Legend + Remove + Filter Edits + Show All Edits . Subject: Fault Rupture Hazard Review. Complete USGS Open-file Report 2008-1270 includes full text and spatial database files. 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 . • A fault, landslide, liquefaction, tsunami, or other geologic hazard zone defined in Service Description: This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. DEFINITION OF A "MAPPED GEOLOGIC HAZARD ZONE": A mapped geologic hazard zone includes the following: • A "Seismic Hazard Zone" as identified by CGS. 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. Only areas with a white background are considered part of the General Plan. Traditionally prepared as paper printed products on a 7.5-minute topographic base, the authoritative Earthquake Fault Zone maps are now the geographic information system (GIS) representations available through the California Geological Survey's website 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 Liquefaction Map for Northwestern Alameda County; Complete USGS Open-file Report 02-296 includes full text and spatial database files. 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. 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. 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. Therefore, geologic hazards associated with landsliding are not anticipated at the site. 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 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 . The process of zonation for liquefaction hazard involves evaluation of earthquake loading, Quaternary geologic maps, groundwater level records, and subsurface geotechnical data. The California Geological Survey prepares seismic hazard zone maps and provides them to local governments; these maps identify areas susceptible to amplified shaking, liquefaction, earthquake -induced landslides, and other ground failures. In this report, an earthquake scenario is intended to depict the potential consequences of significant earthquakes. Liquefaction We have performed engineering analyses to evaluate the potential for liquefaction at the site if the design earthquake event were to . Seismic Hazard Zone Report for the La Habra Quad rangle, as published by the CGS (included herein as Plate 3). Title: Oakland West Quadrangle Zone Map Author: CGS Staff Subject: Seismic Hazard Zones Keywords: liquefaction,landslide, earthquakes, seismic hazards, zone maps . 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 . 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. 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. State of California. 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. CGS Seismic Hazard Zone Maps; Questions or comments? "The Department of Conservation makes no warrantees as to the suitability of this product for any particular purpose." SEISMIC HAZARD ZONE REPORT 073 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. Menu Contact Search • An "Alquist-Priolo Earthquake Fault Zone" as identified by CGS. 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 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. New fault parameters have been Help. Facebook Twitter Google Email Urban Seismic Hazards Overview San Francisco Bay Area Northwestern Alameda County Northern Santa Clara Valley Earthquakes Hazards Data Education Monitoring Research. Contact Us. The purpose of the Act is to reduce the threat to Skip to Main Content. The CGS has completed seismic hazard mapping in areas considered high priority in the San Francisco Bay Area. 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. 6) USGS base map standards provide that 90 percent of cultural features be located . Jerome A. Treiman, California Geological Survey Matthew Lundberg, California Geological Survey References #6460 Barrows, A.G., 1974, A review of the geology and earthquake history of the Newport-Inglewood structural zone, southern California: California Division of Mines and Geology Special Report 114, 115 p. 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. 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 Each city or county shall . National Seismic Hazard Maps and Working Group on California Earthquake Probabilities 2007," Special Report 203A. 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 . In this report, an earthquake scenario is intended to depict the potential consequences of significant earthquakes. The purpose of the Act is to reduce the threat to Each city or county shall . CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): reserved. 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, The map is searchable by address, and it maps three main hazard zones: Fault zones Landslide zones Liquefaction zones The map also displays areas that have not yet been evaluated for zone depicted on the official State of California Seismic Hazard maps (California Geological Survey 2003a, 2003b). In January 2018 the California Geological Survey (CGS) released new fault and seismic hazard zone maps. The dataset is comprised of polygons that. 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 _____. 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. SEISMIC HAZARD ZONE REPORT 081 SEISMIC HAZARD ZONE REPORT FOR THE OAKLAND WEST 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 seismic hazard zone report for the san mateo 7.5-minute quadrangle, san mateo county, california 2018 department of conservation california geological survey state of california Association of Bay Area Governments offers shaking maps, liquefaction maps, predictive transportation disruption maps, and more. CGS Seismic Hazards Program: Landslide Zones (DOC Hosted) Topographic: Help . This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake.
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