Tsunami Inundation Modeling of San Juan Islands, Washington, due to a Cascadia Subduction Zone Earthquake

Arcas, Diego; Gica, Edison; Titov, Vasily V.

doi:10.25923/wdbz-jw97

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Tsunami Inundation Modeling of San Juan Islands, Washington, due to a Cascadia Subduction Zone Earthquake

2020
By Arcas, Diego ; Gica, Edison ; Titov, Vasily V.
Series: NOAA technical memorandum OAR PMEL ; 151

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Personal Author:

Arcas, Diego ; Gica, Edison ; Titov, Vasily V.

Arcas, Diego ; Gica, Edison ; Titov, Vasily V. Less -
Corporate Authors:

United States. National Marine Fisheries Service. ; Pacific Islands Fisheries Science Center (U.S.)

United States. National Marine Fisheries Service. ; Pacific Islands Fisheries Science Center (U.S.) Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory)

OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

Tsunami inundation modeling for the coastal areas of the San Juan Islands, Washington, due to a great earthquake along the Cascadia subduction zone was conducted using a single earthquake source scenario and a high-resolution inundation model. Simulated results showed that the initial tsunami wave peak hits the southern coast of the San Juan Islands more than 1.25 hours after the earthquake, with tsunami flow depths higher than 3 meters occurring at certain coastal areas. The simulation also showed high current speeds in channels between the islands. The results of this study can be used to enhance the State of Washington’s mitigation efforts for the San Juan Islands.
Keywords:

[+]

Cascadia Subduction Zone Earthquakes Mathematical Models Tsunami Hazard Zones
Series:

NOAA technical memorandum OAR PMEL ; 151
DOI:

https://doi.org/10.25923/wdbz-jw97
Document Type:

Technical Memorandum
Place as Subject:

San Juan Islands (Wash.) ; Pacific Coast (Wash.) ; United States ; North Pacific Ocean

San Juan Islands (Wash.) ; Pacific Coast (Wash.) ; United States ; North Pacific Ocean Less -
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:a5fcfd843c97cf3ec7c79d027e755676ba080559b70b64dcb4b70f9696f98e99
Download URL:

https://repository.library.noaa.gov/view/noaa/27084/noaa_27084_DS1.pdf
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Tsunami Inundation Modeling of San Juan Islands, Washington, due to a Cascadia Subduction Zone Earthquake

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