On The Generation Of Oceanic Surface Waves By Underwater Volcanic Explosions

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Journal Article: On The Generation Of Oceanic Surface Waves By Underwater Volcanic Explosions

Abstract
The oceanic surface waves generated by submarine volcanism are modeled as the response of a compressible ocean to an underwater point explosion at an arbitrary depth over an elastic half-space. We generalize the work of Kajiura and Miyoshi by allowing the elastic sea floor to influence both the sound and surface gravity waves. The classic work of Press and Ewing is extended to allow for the movement of the oceanic free surface. From numerical inversion techniques, we find that most of the energy is radiated away as surface gravity waves. A mixture of direct and reflected P- (compressional) and S-type (distortional) head waves may produce high-frequency, large-amplitude oscillations in the sea surface.

Author 
Dean G. Duffy








Published Journal 
Journal of Volcanology and Geothermal Research, 1992





DOI 
Not Provided
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Citation

Dean G. Duffy. 1992. On The Generation Of Oceanic Surface Waves By Underwater Volcanic Explosions. Journal of Volcanology and Geothermal Research. (!) .