A tsunami forecast model for Santa Monica, California / D. Arcas.

By: Contributor(s): Series: NOAA OAR special report | PMEL tsunami forecast series ; v. 9. | Contribution (Pacific Marine Environmental Laboratory (U.S.)) ; no. 3406. | Contribution (University of Washington. Joint Institute for the Study of the Atmosphere and Ocean) ; no. 2091.Publisher: [Seattle, Wash.] : U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Oceanic and Atmospheric Research, Pacific Marine Environmental Laboratory, NOAA Center for Tsunami Research (NCTR), [2015]Description: 1 online resource (xi, 123, [2] pages : PDF file, color illustrations, color maps ; 14 MBContent type:
  • text
Media type:
  • computer
Carrier type:
  • online resource
Subject(s): Online resources: Also available in print.Abstract: The present study documents the development of a tsunami forecast model for Santa Monica, California. Santa Monica is a highly populated major resort town with extensive entertainment areas along the beach, visited every year by thousands of local residents and tourists. Santa Monica is 12.5 km north of Los Angeles International Airport (LAX), a critical facility in the event of a natural disaster. Thus, the forecast model grid covers the communities of Venice Beach, Marina del Rey, and El Segundo, in order to include LAX. Special attention was also given to ensure the Channel Islands, offshore of Santa Monica Bay, were represented with enough resolution in the forecast model grids to adequately capture the correct tsunami wave dynamics between the various islands and the main coast in the model. In order to guarantee the accuracy, robustness, and stability of the forecast model in an operational environment, 13 historical events have been simulated and results compared with tide gauge observations whenever data were available. In addition, the robustness of the model to very large events has been tested by simulating 19 synthetic Mw 9.3 events originating in different subduction zones throughout the Pacific Ocean. Results from both the historical and synthetic simulations show that Santa Monica has been relatively free from major tsunami impact in recent history. However, tsunamigenic earthquakes in certain areas of the Pacific Ocean can generate large tsunamis in the Santa Monica region. Contrary to what one might expect, the areas that pose the greatest tsunami risk to Santa Monica do not seem to be the near-field Cascadia or Mexican coasts, but rather the far-field Manus Oceanic Convergence Boundary, in the Melanesia area of the southwest Pacific. [doi:10.7289/V5D50JX8 (http://dx.doi.org/10.7289/V5D50JX8)]
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Item type Current library Call number Copy number Status Date due Barcode Item holds
REPORT REPORT NCAR Library STORAGE 102143 1 Available 50583020004093
Total holds: 0

"April 2015."

doi:10.7289/V5D50JX8 (http://dx.doi.org/10.7289/V5D50JX8)

Includes bibliographical references (pages 21-22) and glossary (pages 121-123).

The present study documents the development of a tsunami forecast model for Santa Monica, California. Santa Monica is a highly populated major resort town with extensive entertainment areas along the beach, visited every year by thousands of local residents and tourists. Santa Monica is 12.5 km north of Los Angeles International Airport (LAX), a critical facility in the event of a natural disaster. Thus, the forecast model grid covers the communities of Venice Beach, Marina del Rey, and El Segundo, in order to include LAX. Special attention was also given to ensure the Channel Islands, offshore of Santa Monica Bay, were represented with enough resolution in the forecast model grids to adequately capture the correct tsunami wave dynamics between the various islands and the main coast in the model. In order to guarantee the accuracy, robustness, and stability of the forecast model in an operational environment, 13 historical events have been simulated and results compared with tide gauge observations whenever data were available. In addition, the robustness of the model to very large events has been tested by simulating 19 synthetic Mw 9.3 events originating in different subduction zones throughout the Pacific Ocean. Results from both the historical and synthetic simulations show that Santa Monica has been relatively free from major tsunami impact in recent history. However, tsunamigenic earthquakes in certain areas of the Pacific Ocean can generate large tsunamis in the Santa Monica region. Contrary to what one might expect, the areas that pose the greatest tsunami risk to Santa Monica do not seem to be the near-field Cascadia or Mexican coasts, but rather the far-field Manus Oceanic Convergence Boundary, in the Melanesia area of the southwest Pacific. [doi:10.7289/V5D50JX8 (http://dx.doi.org/10.7289/V5D50JX8)]

Also available in print.

Title from title screen (viewed on April 27, 2015).

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