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A Natural Warning of Tsunami Arrival

  • N. Shuto
Chapter
Part of the Advances in Natural and Technological Hazards Research book series (NTHR, volume 9)

Abstract

Data of the Meijii and Showa Great Sanriku tsunamis are analyzed. When a tsunami higher than 5 m hit coastal cliffs, a “thunder-like” sound is generated and heard at distant places: The plunging breaker of a tsunami higher than 4 m generates a sudden “thunderbolt-like” sound which is heard only at the beach of the plunging. When a tsunami higher than 2.5 m with a front in the form of a spilling breaker proceeds in the shallow water, a continuous sound like a locomotive can be heard in the area. Some of these sounds may be used as a precursor of tsunami. An example of the blank spot in the area where sounds were heard is shown.

Keywords

Tsunami Wave Sound Generation Wave Profile Tsunami Height Loud Sound 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Springer Science+Business Media Dordrecht 1997

Authors and Affiliations

  • N. Shuto
    • 1
  1. 1.Disaster Control Research Center, Faculty of EngineeringTohoku UniversitySendaiJapan

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