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. 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 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 PDF Geoscience Practitioners for Property Owners! Developers ... 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. 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. 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. PDF Exemptions From Liquefaction, Earthquake Induced Landslide ... the CGS Seismic Hazard Zone Mapping Project, submitted to FEMA, suggested that these regulatory zones have a 9 to 1 benefit-cost ratio. Subject: Development, Imperial Highway and Euclid Street ...Seismic Hazard Zone Report for The Richmond 7.5-minute ... . 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 California geological survey, seismic hazards zone report 069 . • An "Alquist-Priolo Earthquake Fault Zone" as identified by CGS. 4.5 Geology and Soils Therefore, geologic hazards associated with landsliding are not anticipated at the site. Quaternary Fault and Fold Database of the United States - USGS 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. 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 . 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. to the approval of a project located in a seismic hazard zone, a geotechnical report defining and delineating any seismic hazard. DEFINITION OF A "MAPPED GEOLOGIC HAZARD ZONE": A mapped geologic hazard zone includes the following: • A "Seismic Hazard Zone" as identified by CGS. Regulatory Maps. Seismic Hazard Mapping Act, State of California Public Resources Code, Section 2690 et seq., 2. 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 . Problems with Internet Explorer? The purpose of the Act is to reduce the threat to 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. Complete USGS Open-file Report 2008-1270 includes full text and spatial database files. All of the zones or areas listed above are viewable on the NavigateLA website. Seismic Hazard Zones Have Not Been Prepared for the La Jolla Quadrangle. 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. Title: Oakland West Quadrangle Zone Map Author: CGS Staff Subject: Seismic Hazard Zones Keywords: liquefaction,landslide, earthquakes, seismic hazards, zone maps . The proposed project area is not located within an Alquist-Priolo Earthquake Fault Zone (CGS 1986). California Geological Survey (CGS), and the Southern California Earthquake Center (SCEC). levels by the California Geological Survey (CGS, 2002a) indicates that groundwater has been about 25 feet below the ground surface near the subject site. 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, to the approval of a project located in a seismic hazard zone, a geotechnical report defining and delineating any seismic hazard. 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. 3720. 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. Landslides. 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. The dataset is comprised of polygons that. Seismic Hazard Mapping Act, State of California Public Resources Code, Section 2690 et seq., 2. 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. Beverly Hills High School . 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. Search for the file you want by entering keywords. Trust Center . _____. Earthquake Fault Zone Map: A map depiction of regulatory Earthquake Fault Zones. These zones were created by the Alquist-Priolo Earthquake Fault Zones Act. In this report, an earthquake scenario is intended to depict the potential consequences of significant earthquakes. 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. forecast for California as input to the 2007 revisions of the national seismic hazard 2 California Geological Survey, Seismic Hazard Zone Report for the Yorba Linda 7.5-Minute Quadrangle, Los 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. In January 2018 the California Geological Survey (CGS) released new fault and seismic hazard zone maps. 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. SHMA AP Site Investigation Reports. In this report, an earthquake scenario is intended to depict the potential consequences of significant earthquakes. It was charged with two tasks: (1) collaborate with the National Seismic Hazard Mapping Program (NSHMP) in producing a revised, time-independent. Earthquakes can be so strong they knock houses and buildings off their foundation. Report Abuse . 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. CGS Seismic Hazard Zone Maps; Questions or comments? CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): mapping areas prone to landslides, liquefaction, and strong ground shak-ing. Alquist-Priolo Earthquake Fault Zones per the State of California Public Resources Code, Section 2620 et seq, and City of Los Angeles PFRSA. 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). 03-CGS0960 . Seismic Hazard Evaluation Report for the Azusa 7.5-Minute Quadrangle, Los Angeles County, California, OFR 98-12. 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 . 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. Liquefaction We have performed engineering analyses to evaluate the potential for liquefaction at the site if the design earthquake event were to . The CGS has completed seismic hazard mapping in areas considered high priority in the San Francisco Bay Area. 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. Contact Esri . : 303514‐002 Report No. As mentioned previously, the campus is within one of the Liquefaction Hazard Zones designated by the California Geological Survey (CGS, 2002). 241 S. Moreno Drive, Beverly Hills, CA . Liquefaction Map for Northwestern Alameda County; Complete USGS Open-file Report 02-296 includes full text and spatial database files. 1998f. Tsunami Hazard Area. The point is to get a home fax report and learn to how to buy a house like an expert. 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. No part of this publication may be reproduced without written consent of the Department of Conservation. United States Geological Survey — Latest . Mineral Lands Classification. 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. California Geological Survey Earthquake Fault Zones California real estate Earthquake Fault Zone. Fault Evaluation Report FER-216. REGULATORY SETTING a. Legal . Purpose. 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 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 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 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 . Service Description: This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. The purpose of the Act is to reduce the threat to The process of zonation for liquefaction hazard involves evaluation of earthquake loading, Quaternary geologic maps, groundwater level records, and subsurface geotechnical data. 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 Association of Bay Area Governments offers shaking maps, liquefaction maps, predictive transportation disruption maps, and more. Seismic Technical Background Report March 15, 2010 2 KFM GeoScience 1.2. All of the zones or areas listed above are viewable on the NavigateLA website. Seismic Hazard Maps for California. State of California. 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. Borehole Database. CGS Seismic Hazards Program: Alquist-Priolo Fault Hazard Zones. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): reserved. 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 . Alquist-Priolo Earthquake Fault Zones per the State of California Public Resources Code, Section 2620 et seq, and City of Los Angeles PFRSA. 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 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. 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. 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 Contact Us. What does it mean to be located within a Seismic Hazard Zone? zone depicted on the official State of California Seismic Hazard maps (California Geological Survey 2003a, 2003b). Examples: notice of proposed rulemaking action, or renewal plan. California Geological Survey Seismic Hazard Zones Seismic hazard zone areas in California real estate .pdf format. Fault Rupture Hazard Zones in California, CGS Special Publication #42. 6) USGS base map standards provide that 90 percent of cultural features be located . 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 Menu Contact Search 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). loss of life and property by identifying and mitigating seismic hazards. November 25, 2019 3 Project No. • A fault, landslide, liquefaction, tsunami, or other geologic hazard zone defined in 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. (Seismic Hazards Mapping Act). Regulatory Zones: Alquist-Priolo and Seismic Hazard zones require that additional study be . It . This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Only areas with a white background are considered part of the General Plan. Developers looking to build near fault zones will likely face restrictions. California Department of Conservation administers a variety of programs vital to California's public safety, environment and economy. 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 objectives of Special Publication 117 are to assist in the evaluation and mitigation of earthquake-related hazards for projects . 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. 4.1 Geotechnical Hazards Impact Sciences, Inc. 4.1-2 Vista Canyon Draft EIR 0112.024 October 2010 3. 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. Seismic Technical Background Report March 15, 2010 2 KFM GeoScience 1.2. 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 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, 1999a. 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 Department of Conservation makes no warrantees as to the suitability of this product for any particular purpose." SEISMIC HAZARD ZONE REPORT 073 New fault parameters have been 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. Subject: Fault Rupture Hazard Review. 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 for the La Habra Quad rangle, as published by the CGS (included herein as Plate 3). 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 . 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. Full Seismic Hazard Report. Special Publication 117 by the California Geological Survey. 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. Each city or county shall . 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. CGS Application No. . 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 The information should Hazard Zones maps for the same area (California Geological Survey, 2003a,b,c,d,e). Each city or county shall . The Alquist-Priolo Earthquake Fault Zoning Act of 1972 limits construction on active fault lines. 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. S1 Seismic & Geologic Hazards. 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. 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 . Seismic Hazard Zone Report for the Mt. 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. Seismic hazard zone report of the los gatos 7.5 minute quadrangle, santa clara county. 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. The maps affect areas in both northern and southern California. National Seismic Hazard Maps and Working Group on California Earthquake Probabilities 2007," Special Report 203A. Ontario is susceptible to earthquakes, settlement of alluvial deposits that underlie the region, and subsidence caused by rapid withdrawal of groundwater. Skip to Main Content. 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. ; Cone Penetration Testing (CPT) data for Northwestern Alameda County; CGS Seismic Hazard Zone Maps Help. The state has already mapped most of the Peninsula, including Montara Mountain, Woodside and San Mateo. CGS Seismic Hazards Program: Landslide Zones (DOC Hosted) Topographic: Help . 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. _____. Wilson 7.5-Minute Quadrangle, Los Angeles County, California, Seismic Hazard Zone Report 030. CGS Information Warehouse. : 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 "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 . 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 Zoom to + Transparency + Set Visibility Range + Rename + Move up + Move down + Copy + Show in Legend + Hide in Legend + Remove + Filter Edits + Show All Edits . 4. This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps.