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Filter Total Items: 1337
Tsunami flooding
Panel 5 focused on tsunami flooding with an emphasis on Probabilistic Tsunami Hazard
Analysis (PTHA) as derived from its counterpart, Probabilistic Seismic Hazard Analysis (PSHA)
that determines seismic ground-motion hazards. The Panel reviewed current practices in PTHA
and determined the viability of extending the analysis to extreme design probabilities (i.e., 10-4
to 10-6). In addition to e
Authors
Eric Geist, Henry Jones, Mark McBride, Randy Fedors
Shear-wave velocity-based probabilistic and deterministic assessment of seismic soil liquefaction potential
Shear-wave velocity (Vs) offers a means to determine the seismic resistance of soil to liquefaction by a fundamental soil property. This paper presents the results of an 11-year international project to gather new Vs site data and develop probabilistic correlations for seismic soil liquefaction occurrence. Toward that objective, shear-wave velocity test sites were identified, and measurements made
Authors
R. Kayen, R.E.S. Moss, E.M. Thompson, R.B. Seed, K.O. Cetin, A. Der Kiureghian, Y. Tanaka, K. Tokimatsu
Communication products for the Science Application for Risk Reduction (SAFRR) tsunami scenario: Chapter K in The SAFRR (Science Application for Risk Reduction) Tsunami Scenario
Science Application for Risk Reduction (SAFRR), like its predecessor the Multi-Hazards Demonstration Project, has a mission to increase the use of science by decision-makers of all kinds. Thus, an important part of any SAFRR scenario is development of products that enhance usability of the science. In this tsunami scenario, the focus has been on development of three kinds of products: products tha
Authors
Suzanne C. Perry
Alaska earthquake source for the SAFRR tsunami scenario: Chapter B in The SAFRR (Science Application for Risk Reduction) Tsunami Scenario
Tsunami modeling has shown that tsunami sources located along the Alaska Peninsula segment of the Aleutian-Alaska subduction zone have the greatest impacts on southern California shorelines by raising the highest tsunami waves for a given source seismic moment. The most probable sector for a Mw ~ 9 source within this subduction segment is between Kodiak Island and the Shumagin Islands in what we c
Authors
Stephen Kirby, David Scholl, Roland E. von Huene, Ray Wells
SAFRR (Science Application for Risk Reduction) Tsunami Scenario--Executive Summary and Introduction: Chapter A in The SAFRR (Science Application for Risk Reduction) Tsunami Scenario
The Science Application for Risk Reduction (SAFRR) tsunami scenario depicts a hypothetical but plausible tsunami created by an earthquake offshore from the Alaska Peninsula and its impacts on the California coast. The tsunami scenario is a collaboration between the U.S. Geological Survey (USGS), the California Geological Survey, the California Governor’s Office of Emergency Services (Cal OES), the
Authors
Stephanie L. Ross, Lucile M. Jones, Kevin H. Miller, Keith A. Porter, Anne Wein, Rick I. Wilson, Bohyun Bahng, Aggeliki Barberopoulou, José C. Borrero, Deborah M. Brosnan, John T. Bwarie, Eric L. Geist, Laurie A. Johnson, Stephen H. Kirby, William R. Knight, Kate Long, Patrick Lynett, Carl E. Mortensen, Dmitry J. Nicolsky, Suzanne C. Perry, Geoffrey S. Plumlee, Charles R. Real, Kenneth Ryan, Elena Suleimani, Hong Kie Thio, Vasily V. Titov, Paul M. Whitmore, Nathan J. Wood
The SAFRR (Science Application for Risk Reduction) Tsunami Scenario
The Science Application for Risk Reduction (SAFRR) tsunami scenario depicts a hypothetical but plausible tsunami created by an earthquake offshore from the Alaska Peninsula and its impacts on the California coast. The tsunami scenario is a collaboration between the U.S. Geological Survey (USGS), the California Geological Survey (CGS), the California Governor’s Office of Emergency Services (Cal OES
The SAFRR tsunami scenario: improving resilience for California
On March 11, 2011, the Tohoku earthquake and the resulting tsunami devastated Japan with a disaster of unfathomable proportions. Five thousand miles away, the waves from Tohoku caused $50 to 100 million in damages in California. Although this pales in comparison to the loss of lives and property in Japan, the U.S. Government must ask whether California, and the national economy, will someday face
Authors
Stephanie L. Ross, Lucile M. Jones, Kevin H. Miller, Keith A. Porter, Anne Wein, Rick I. Wilson, Bohyun Bahng, Aggeliki Barberopoulou, José C. Borrero, Deborah M. Brosnan, John T. Bwarie, Eric L. Geist, Laurie A. Johnson, Stephen H. Kirby, William R. Knight, Kate Long, Patrick Lynett, Carl E. Mortensen, Dmitry J. Nicolsky, Suzanne C. Perry, Geoffrey S. Plumlee, Charles R. Real, Kenneth Ryan, Elena Suleimani, Hong Kie Thio, Vasily V. Titov, Paul M. Whitmore, Nathan J. Wood
The SAFRR Tsunami Scenario
The U.S. Geological Survey and several partners operate a program called Science Application for Risk Reduction (SAFRR) that produces (among other things) emergency planning scenarios for natural disasters. The scenarios show how science can be used to enhance community resiliency. The SAFRR Tsunami Scenario describes potential impacts of a hypothetical, but realistic, tsunami affecting California
Authors
K. Porter, Lucile M. Jones, Stephanie L. Ross, J. Borrero, J. Bwarie, D. Dykstra, Eric L. Geist, L. Johnson, Stephen H. Kirby, K. Long, P. Lynett, K. Miller, Carl E. Mortensen, S. Perry, G. Plumlee, C. Real, L. Ritchie, C. Scawthorn, H.K. Thio, Anne Wein, P. Whitmore, R. Wilson, Nathan J. Wood
Environmental assessment of metal exposure to corals living in Castle Harbour, Bermuda
Environmental contamination in Castle Harbour, Bermuda, has been linked to the dissolution and leaching of contaminants from the adjacent marine landfill. This study expands the evidence for environmental impact of leachate from the landfill by quantitatively demonstrating elevated metal uptake over the last 30 years in corals growing in Castle Harbour. Coral Pb/Ca, Zn/Ca and Mn/Ca ratios and tota
Authors
N.G. Prouty, N.F. Goodkin, R. Jones, C.H. Lamborg, C. D. Storlazzi, K.A. Hughen
Near-field tsunami edge waves and complex earthquake rupture
The effect of distributed coseismic slip on progressive, near-field edge waves is examined for continental shelf tsunamis. Detailed observations of edge waves are difficult to separate from the other tsunami phases that are observed on tide gauge records. In this study, analytic methods are used to compute tsunami edge waves distributed over a finite number of modes and for uniformly sloping bathy
Authors
Eric L. Geist
Origin and lateral migration of linear dunes in the Qaidam Basin of NW China revealed by dune sediments, internal structures, and optically stimulated luminescence ages, with implications for linear dunes on Titan: discussion
Zhou et al. (2012) proposed that longitudinal dunes in the Qaidam Basin, China, formed like yardangs: by erosion into sediment that was not deposited by those dunes. Because erosion occurs on the upwind flanks of most migrating dunes (Rubin and Hunter, 1982, 1985), the key to demonstrating a yardang-like origin is to show that the dunes did not deposit the strata that they contain. Zhou et al. mad
Authors
David M. Rubin, Alan M. Rubin
Settlement of the USS Arizona, Pearl Harbor, Hawaii
The U.S. Geological Survey, in collaboration with the National Park Service Submerged Resources Center, undertook investigations at the USS Arizona Memorial at Pearl Harbor, Hawaii, in 2002, 2003, and 2005 to characterize geological factors affecting the deterioration and movement of the hull of the USS Arizona. Since sinking on the morning of December 7, 1941, the hull of the USS Arizona has been
Authors
Brad A. Carkin, Robert E. Kayen