A note on the effects of nonuniform spreading velocity of submarine slumps and slides on the near-field tsunami amplitudes

M. D. Trifunac*, A. Hayir, M. I. Todorovska

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

The effects of variable speeds of spreading of submarine slides and slumps on near-field tsunami amplitudes are illustrated. It is shown that kinematic models of submarine slides and slumps must consider time variations in the spreading velocities, when these velocities are less than about 2cT, where cT = √gh is the long period tsunami velocity in ocean of constant depth h. For average spreading velocities greater than ~2cT, kinematic models with assumed constant spreading velocities provide good approximation for the tsunami amplitudes above the source.

Original languageEnglish
Pages (from-to)167-180
Number of pages14
JournalSoil Dynamics and Earthquake Engineering
Volume22
Issue number3
DOIs
Publication statusPublished - 20 May 2002
Externally publishedYes

Funding

During the course of this work, the second author was on leave from the Istanbul Technical University and visiting the University of Southern California. The financial support for his stay provided by TUBITAK-NATO is gratefully acknowledged.

FundersFunder number
TUBITAK-NATO

    Keywords

    • Slides
    • Slumps
    • Tsunami modeling
    • Tsunami with variable speed of spreading

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