TSUNAMI HAZARD TO TSUNAMI HAZARD TO Hawaii from a M9+ Hawaii from a M9+

Event similar to 2004 Event similar to 2004 Indian Ocean TsunamiIndian Ocean Tsunami

Charles MaderCharles Maderwww.mccohi.com/tsunami.htm

PACON - Paper and PowerPointPACON - Paper and PowerPoint

Dr. Herman Fritz surveys ofDr. Herman Fritz surveys ofDecember 26, 2004 December 26, 2004

TsunamiTsunami

DEATH ZONE WAS AREA BELOW 10 DEATH ZONE WAS AREA BELOW 10 METERS and LESS THAN 1 METERS and LESS THAN 1 KILOMETER FROM SHORE.KILOMETER FROM SHORE.

Sri Lanka Multiple Tsunami Sri Lanka Multiple Tsunami WavesWaves

Most witnesses described 3 main Most witnesses described 3 main waves. waves.

The first knocked them off their feet, The first knocked them off their feet, the second picked them up and the second picked them up and carried them, often up to 50 km/hr, carried them, often up to 50 km/hr, and the third bore them up to 15 and the third bore them up to 15 meters high or sucked them under.meters high or sucked them under.

Fritz Indian Ocean Tsunami Fritz Indian Ocean Tsunami Survey ConclusionsSurvey Conclusions

Evacuate all areas below 15 meters Evacuate all areas below 15 meters above sea level and within 0.25 mile above sea level and within 0.25 mile of shoreline or along rivers.of shoreline or along rivers.

Evacuate all areas below 10 meters Evacuate all areas below 10 meters above sea level and within 1.0 mile of above sea level and within 1.0 mile of shoreline or along rivers.shoreline or along rivers.

Evacuate all areas below 5 meters Evacuate all areas below 5 meters above sea level and within 3 miles of above sea level and within 3 miles of shoreline.shoreline.

The Fritz Indian Ocean Evacuation CriteriaThe Fritz Indian Ocean Evacuation Criteria    Consider the 1946 historical observations as recorded inConsider the 1946 historical observations as recorded in United States Tsunamis - 1690-1988 (page 66)United States Tsunamis - 1690-1988 (page 66)    Waipio Valley - 12 meter run-up amplitude Waipio Valley - 12 meter run-up amplitude Swept 1 mile into valley, pulled away homes and peopleSwept 1 mile into valley, pulled away homes and people and left only foundationsand left only foundations    Waikolu Valley, Molokai - 16.4 meter run-up amplitudeWaikolu Valley, Molokai - 16.4 meter run-up amplitude Destroyed farms and buildings up entire valley.Destroyed farms and buildings up entire valley.    Makapuu Point, Oahu - 11.1 meter run-up amplitudeMakapuu Point, Oahu - 11.1 meter run-up amplitude Destroyed the nearby Ranch buildings with 3 waves Destroyed the nearby Ranch buildings with 3 waves

(Helsley(Helsley from wave deposits) leaving only foundations. from wave deposits) leaving only foundations.    Three wide valleys destroyed by the 1946 tsunami are Three wide valleys destroyed by the 1946 tsunami are historical evidence that the Fritz Indian Ocean Criteriahistorical evidence that the Fritz Indian Ocean Criteria is also appropriate for Hawaii . is also appropriate for Hawaii .

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tsunami/tsunami/hihazard.pdfhihazard.pdf

Dr. Meadows survived the 2004 Tsunami in Khao Lak, Thailand. Lead response for efforts for survivors and became involved in marine debris removal and coral restoration. January 28, 2010 NOAA Seminar – http:// www.lib.noaa.gov/about/news/meadows_012810.pdf

Historical Tsunami Flooding of Hilo and current evacuation zone is close to Fritz Line and 9 meter elevation.

M9+ Tonga Trench TsunamiM9+ Tonga Trench Tsunami

At Source Tsunami 25 m High, 200 km wavelength, 15 minute period, 1100 km long.

3.2 meter 3.2 meter High High

Tsunami Tsunami off Oahu off Oahu in 4321 m in 4321 m

deep deep OceanOcean

M9+ Marianas Trench M9+ Marianas Trench TsunamiTsunami

10 meter 10 meter HIGHHIGH

Tsunami Tsunami off Oahu off Oahu

in 4321 m in 4321 m deep deep

OceanOcean

M9+ Japan M9+ Japan TrenchTrench

A 10 meter A 10 meter high high

Tsunami Tsunami moves moves down down Island Island chainchain

15 meter 15 meter High High

Tsunami Tsunami South of South of Honolulu Honolulu in 641 m in 641 m

deep deep Ocean Ocean

TSUNAMI HAZARD TO TSUNAMI HAZARD TO Hawaii from a M9+ Hawaii from a M9+

Event similar to 2004 Event similar to 2004 Indian Ocean TsunamiIndian Ocean Tsunami

www.mccohi.com/tsunami.htm

TSUNAMI Science and Hawaii Hazards PowerPoints TSUNAMI Science and Hawaii Hazards PowerPoints PowerPoints with Movies are available on NMWW DVD PowerPoints with Movies are available on NMWW DVD

www.MCCOHI.COM/TSUNAMI.HTM 12/26/2004 Indian Ocean Tsunami - 300,000 Deaths 17/8/1955 Lituya Bay 1600 ft High Tsunami 8/27/1883 Krakatoa Volcanic Explosion generated Tsunami8/27/1883 Krakatoa Volcanic Explosion generated Tsunami Projectile Impact and Explosion Generated WavesProjectile Impact and Explosion Generated Waves Tsunami Hazard for Hawaii Kai, HawaiiTsunami Hazard for Hawaii Kai, Hawaii Hawaii Tsunami Hazard from M9 Earthquake like Hawaii Tsunami Hazard from M9 Earthquake like

12/26/200412/26/2004 PDF- KT Asteroid Impact - Asteroid Hazard to Life on EarthPDF- KT Asteroid Impact - Asteroid Hazard to Life on Earth Dr. Walker Hawaii Historical Tsunami Hazard EvaluationDr. Walker Hawaii Historical Tsunami Hazard Evaluation Meadows PDF Report on Hawaii Tsunami Zone HazardsMeadows PDF Report on Hawaii Tsunami Zone Hazards PDF 6/2010 PACON Paper on Hawaii M9+ Tsunami PDF 6/2010 PACON Paper on Hawaii M9+ Tsunami

HazardsHazards 6/2010 PACON PowerPoint on Hawaii M9+ Hazards6/2010 PACON PowerPoint on Hawaii M9+ Hazards