To: Board of Supervisors
From: Sheriff
Agenda Section: Departmental
SUBJECT:
title
Updates to the Tsunami Hazard Inundation and Evacuation
end
RECOMMENDATION(S):
Recommendation
That the Board of Supervisors:
1. Adopt the attached resolution recognizing the necessity of updated tsunami inundation maps and adopting them for local planning use.
2. Receive a presentation from the Redwood Coast Tsunami Work Group, California Geological Survey and California Governor's Office of Emergency Services.
3. Direct the Clerk of the Board to return a certified copy of the attached resolution to the Sheriff's Office of Emergency Services.
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SOURCE OF FUNDING:
California Office of Emergency Services
California Geologic Survey
DISCUSSION:
The California Tsunami Program, led by the California Governor's Office of Emergency Services and the California Geological Survey, is responsible for updating the state's tsunami inundation maps for evacuation planning and public safety. Communities use the State inundation maps to develop and update their evacuation maps and local response plans.
The State completed the current statewide tsunami inundation maps in 2009. Based on more recent information from tsunamis that have occurred since 2009, the State has determined that an update of the 2009 maps is warranted to protect the public from tsunami hazards.
The Tsunami Hazard Evacuation Maps for Emergency Planning are a new product from the State of California and are based on the Redwood Coast Tsunami Work Group (RCTWG) tsunami hazard map brochures first published in 2010. These new maps were produced via a process led by the RCTWG mapping subcommittee and have been vetted by emergency managers, first responders, and other important local stakeholders.
Are the existing 2009 tsunami inundation maps and related evacuation maps inaccurate or inadequate?
* The existing maps accurately capture the tsunami hazard from most major tsunamis from local and distant ...
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