Podcast
Questions and Answers
What is the primary purpose of conducting tsunami hazard assessments in coastal communities?
What is the primary purpose of conducting tsunami hazard assessments in coastal communities?
- To prevent tsunamis from occurring.
- To determine the exact date and time of future tsunamis.
- To identify and map areas likely to be flooded during a tsunami and by how much. (correct)
- To relocate entire communities to inland areas.
Which of the following is a key component of community tsunami preparedness?
Which of the following is a key component of community tsunami preparedness?
- Constructing offshore barriers to dissipate wave energy.
- Planning and practicing for response to tsunamis. (correct)
- Seeding clouds to reduce rainfall during a tsunami event.
- Implementing a mandatory swimming course for all residents.
What is the main goal of the TsunamiReady® program?
What is the main goal of the TsunamiReady® program?
- To eliminate the possibility of tsunamis.
- To provide funding for coastal development projects.
- To help communities minimize the risks posed by tsunamis through better risk assessment, planning, education, and warning communications. (correct)
- To promote tourism in coastal regions.
How do local bathymetry and topography influence tsunami impacts on different communities?
How do local bathymetry and topography influence tsunami impacts on different communities?
Which of the following is an example of mitigating potential tsunami impacts through thoughtful land-use planning and building design?
Which of the following is an example of mitigating potential tsunami impacts through thoughtful land-use planning and building design?
What key functions are emphasized by the National Tsunami Hazard Mitigation Program?
What key functions are emphasized by the National Tsunami Hazard Mitigation Program?
Why is it important for communities to establish, mark, and publicize evacuation routes?
Why is it important for communities to establish, mark, and publicize evacuation routes?
Which of the following actions would be least effective in preparing for a tsunami?
Which of the following actions would be least effective in preparing for a tsunami?
What role do computer models play in tsunami hazard assessment?
What role do computer models play in tsunami hazard assessment?
What is the significance of Hawaii recognizing April as Tsunami Awareness Month?
What is the significance of Hawaii recognizing April as Tsunami Awareness Month?
Flashcards
Tsunami Frequency
Tsunami Frequency
Tsunamis do not occur frequently, but can cause significant impacts when they do.
Tsunami Hazard Assessments
Tsunami Hazard Assessments
Coastal communities should assess tsunami hazards to understand potential impacts of different tsunami sizes and sources.
Mapping Tsunami Hazard Zones
Mapping Tsunami Hazard Zones
Computer models and past tsunami data are used to map areas likely to be flooded and determine potential flood depth.
Using Tsunami Hazard Maps
Using Tsunami Hazard Maps
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Protective Measures
Protective Measures
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Mitigation Planning
Mitigation Planning
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Thoughtful Land-Use Planning
Thoughtful Land-Use Planning
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National Tsunami Hazard Mitigation Program
National Tsunami Hazard Mitigation Program
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TsunamiReady® Program
TsunamiReady® Program
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Study Notes
Tsunami Preparedness and Mitigation for Communities
- While infrequent, tsunamis are among Earth's most impactful natural hazards.
- Even smaller, more frequent tsunamis can lead to fatalities, injuries, and significant damage.
- Communities can implement measures before, during, and after a tsunami to protect lives and reduce damage.
Hazard Assessments
- Tsunami impacts vary between communities due to differences in bathymetry and topography.
- Coastal communities should conduct hazard assessments to understand potential impacts from tsunamis of varying sizes and origins.
- Assessments use computer models and historical data to map areas at risk of flooding and the extent of flooding.
- Tsunami hazard zone maps help communities identify at-risk areas and prioritize preparedness, response, and mitigation efforts.
Protective Measures
- Communities that understand their tsunami risk can better protect the public.
- Protective measures include planning and practicing responses, public warnings, establishing evacuation routes, and public education.
Land-Use Planning and Building Design
- Thoughtful land-use planning and building design in tsunami hazard zones enhance preparedness and mitigation.
- Strategies include improving evacuation routes and building tsunami evacuation structures.
- Limiting new development in hazard zones and designing structures to minimize tsunami damage are also important.
- Other strategies consist of adopting tsunami-specific building codes and protecting existing infrastructure critical for response and recovery.
- Relocating important community assets and vulnerable populations out of tsunami hazard zones is a proactive measure.
- Planning for post-tsunami recovery is essential for long-term resilience.
TsunamiReady Program
- To be recognized as TsunamiReady, communities must implement activities outlined in the TsunamiReady Guidelines.
United States Programs
- Much of the tsunami preparedness and mitigation work in the U.S. is conducted through two programs:
- National Tsunami Hazard Mitigation Program (NTHMP)
- NWS TsunamiReady® program
National Tsunami Hazard Mitigation Program (NTHMP)
- NTHMP is a federal/state partnership led by NOAA, including FEMA, USGS, and 28 U.S. states and territories.
- The program focuses on hazard assessment, warning guidance, and mitigation through collaboration and support.
NWS TsunamiReady® Program
- NWS TsunamiReady® is a voluntary community recognition program that helps communities minimize tsunami risk.
- TsunamiReady® achieves reduced risk through improved risk assessment, planning, education, and warning communications.
- The Intergovernmental Oceanographic Commission of UNESCO modeled their International Tsunami Ready program after the NWS program.
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