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Liquefaction, Landslides, and Fault Rupture Tom Holzer Research Engineering Geologist 1
Sunken Houses on Valencia St Settlement at Spear and Market St Compression Lateral Spread Head Scarp Liquefaction Damage San Francisco 1906 3
Anatomy of a bad fill 4
Filled ground in San Francisco, mostly pre-1906 Prime land in San Francisco is among the most hazardous Marin Ocean Beach SBC Park TransAmerica Pyramid Marina District
Landslide Highway 17 – 1989 Loma Prieta Earthquake 7
San Francisco Seismic Hazard Zone Map – Landslide Zone (blue) and Liquefaction Zone (green) 8
Fault Rupture 9
Fault Rupture – M6 South Napa Earthquake August 24, 2014 10
Bay Area Major faults and probability of EQ with M≥6.7 63% probability of M≥6.7 in next 30 years in Bay Area 7% 31% 21% 6% 3% 1% http://earthquake.usgs.gov/regional/nca/ucerf/
San Andreas Fault SF Peninsula (Alquist-Priolo Map) San Bruno Mtn 1906 Fault Rupture SF Peninsula Mussel Rock San Francisco 12
Doing Business After a Major Bay Area Earthquake JEANNE PERKINS ABAG Earthquake Program Manager.
The next big earthquake at SFO (coming soon) Tom Brocher USGS, Coordinator, NC Earthquake Hazard Investigations M Hayward.
Large earthquakes (just a selection) New Madrid 8 4/18/06 San Francisco /22/60 Chile $500 million 3/28/64 Alaska
The Violent Earth. The San Andreas fault The San Andreas fault 1989 Loma Prieta quake 1989 Loma Prieta quake 1906 San Francisco quake 1906 San Francisco.
San Francisco Earthquake 1989 Loma Prieta. What happened? October 17 th pm 20 seconds duration Magnitude 7 Intensity IX Enormous amounts of damage.
Earthquake Earthquake LA Earthquake damage LA Earthquake damage Risk Map Risk Map Earthquake Earthquake "San Francisco" Earthquake - YouTube.
Spaced-based measurements (VLBI and GPS) show that PAC-NA motion in CA is ~50 mm/yr.
USC Civil & Environmental Engineering St. Andreas Fault Right-Lateral Strike-Slip Faults Location: Carrizo Plain area, San Luis Obispo County, California.
San Andreas, showing stream offset. San Andreas – Carrizo plain.
San Francisco, dead 2,000 homeless 6.9 Richter scale Bam, Iran, ,000 dead 70,000 homeless 6.7 Richter scale.
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Lisa Wald USGS Pasadena U.S. Department of the Interior U.S. Geological Survey USGS Earthquake Hazards Program Earthquakes 101 (EQ101)
Bay Area Earthquakes – Utility & Lifeline Issues Bay Area Earthquakes – Utility & Lifeline Issues JEANNE PERKINS Consultant, ABAG Earthquake and Hazards.
Before you jump into this slide show, you should view the Presentation on EarthquakeSeismology See notes for link.
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Earthquakes occur on faults Active Fault. Earthquakes Create Seismic Waves.
Effects of Earthquakes (1)
Intraplate Earthquakes New Madrid, Missouri: December 1811, January 1812, February 1812.
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Unit 2 – Making Mountains – More Earthquakes Geosc. 10 More Earthquakes! Visit Alaska & San Francisco to get a glimpse into the effects of major earthquakes.
Larry Braile AS-1 Workshop, September, 2008 San Francisco Bay Area Earthquake Ground Motion Simulations
Earthquakes Around the World U.S. Geological Survey Walter D. Mooney Senior Research Geophysicist USGS, Menlo Park, CA.
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Earthquakes in the San Francisco Bay Area Sheryl Braile, Happy Hollow School West Lafayette, IN Larry Braile, Purdue University
Zack Bick Erin Riggs Alicia Helton Cara Dickerson Presentation by:
Loma Prieta Earthquake Mourad Amouri Nicolas Rodriguez.
The Violent Earth Faults, seismology, and the Bay Area.
Impact of the 1906 Bay Area Earthquake and San Francisco Fires USGS Forum on Catastrophe Preparedness David Keeton Swiss Re.
Plate Tectonics, Earthquakes and Volcanoes Karan Wittman Andrus Elementary Meridian, Idaho.
U.S. Department of the Interior U.S. Geological Survey The Earthquake is Inevitable: The Disaster is Not.
Earthquakes. Describing Earthquakes Intensity vs. Magnitude.
Earthquakes & Society –tsunami –seismic gap Objectives Discuss factors that affect the amount of damage done by an earthquake. Explain some of the factors.
By Rachel Thompson and Erica Axtell Mercalli Scale (Earthquake Scale) I to III Minimally felt IVFelt in doors, like a heavy truck passing by VFelt by.
1. What are Earthquakes? The shaking or trembling caused by the sudden release of energy Usually associated with faulting or breaking of rocks.
LOMA PRIETA EARTHQUAKE OF WHAT WAS IT? The Loma Prieta earthquake, also known as the World Series earthquake, was a major earthquake that struck.
Section 19.4 – Earthquakes and Society 8 th Grade Earth and Space Science Class Notes.
Infrastructure Interdependencies Research Update Dana Brechwald, Earthquake and Hazards Specialist Lifeline Committee Meeting January 31, 2013.
SF Bay Regional Area and the CA Coast. Satellite Image of SF Bay.
Chapter 9 Earthquakes and Volcanoes. Crustal Formation Figure 9.5.
Section 10.3 pg. 222 Earthquake Hazards. U.S. Earthquake zones.
Class 14a: Natural hazards Vulnerability and disaster Geologic events Climatic events.
LESSONS FROM PAST NOTABLE EARTHQUAKES. Part III Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA.
Earthquake Hazards. A. Some Earthquake Hazards 1.Structural Failure 2.Land and Soil Failure 3.Fault scarps (the earth opens up!) 4.Tsunamis- NOT tidal.
U.S. Department of the Interior U.S. Geological Survey USGS Earthquake Hazards Program Earthquakes 101.
San Francisco Geological Study By Emily Williams Victoria Hogg.
The Next Bay Area Earthquake What to expect Where? When? How Large? Dr. John Boatwright, Bay Area Earthquake Alliance Co-Chair Co-Regional Coordinator.
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