Search Results - "Okal, E. A."

Rapid forecast of tsunami wave heights from a database of pre-computed simulations, and application during the 2011 Tohoku tsunami in French Polynesia by Reymond, D., Okal, E. A., Hébert, H., Bourdet, M.

“…We present a method for the rapid estimation of tsunami wave heights, either in the deep Pacific Basin, or at specific shore locations. It uses a database of…”
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Seismic and hydroacoustic tremor generated by colliding icebergs by MacAyeal, D. R., Okal, E. A., Aster, R. C., Bassis, J. N.

“…Iceberg harmonic tremor (IHT) emanating from tabular icebergs in the Southern Ocean and along calving margins of the Antarctic Ice Sheet is a complex, evolving…”
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Tsunami hazard in the southeast Aegean Sea by Mitsoudis, D.A., Flouri, E.T., Chrysoulakis, N., Kamarianakis, Y., Okal, E.A., Synolakis, C.E.

“…We present a systematic assessment of the earthquake-generated tsunami hazard for the Greek island of Rhodes in the SE Aegean Sea. Our approach is based on…”
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Landslide tsunamis: recent findings and research directions by BARDET, Jean-Pierre, SYNOLAKIS, Costas E, DAVIES, Hugh L, IMAMURA, Fumihiko, OKAL, Emile A

“…-- Underwater landslides can trigger local tsunamis with high runup, endangering human life and devastating coastal cities, offshore structures, communication…”
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Tsunami and its Hazard in the Indian and Pacific Oceans: Introduction by Satake, K., Okal, E. A., Borrero, J. C.

“…The 2004 Indian Ocean tsunami caused an estimated 230,000 casualties, the worst tsunami disaster in history. A similar-sized tsunami in the Pacific Ocean,…”
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Historical Seismicity and Seismotectonic Context of the Great 1979 Yapen and 1996 Biak, Irian Jaya Earthquakes by Okal, E. A.

“…--We present relocations of over 220 historical and recent earthquakes in the northwestern part of Irian Jaya, in the context of the large earthquakes of 1979…”
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Source discriminants for near-field tsunamis by Okal, Emile A., Synolakis, Costas E.

“…We present numerical simulations of tsunami run-up in the near field for a data set of 72 models of sources, involving both seismic dislocations and…”
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Modern seismological reassessment and tsunami simulation of historical Hellenic Arc earthquakes by Ebeling, C.W., Okal, E.A., Kalligeris, N., Synolakis, C.E.

“…Neither large magnitude nor tsunamigenic earthquakes occur frequently in the eastern Mediterranean, hampering comprehensive study of these events and…”
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Shear wave splitting and upper mantle deformation in French Polynesia: Evidence for small-scale heterogeneity related to the Society hotspot by Russo, R. M., Okal, E. A.

“…We determined shear wave splitting parameters at four island sites in French Polynesia: Tiputa (TPT) on Rangiroa in the Tuamotu archipelago; Papeete (PPT) on…”
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A Theoretical Comparison of Tsunamis from Dislocations and Landslides by Okal, E A, Synolakis, CE

“…-- We use simple physical models to evaluate and compare the orders of magnitude of the energy generated into a tsunami wave by seismic dislocations and…”
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The mechanism of great Banda Sea earthquake of 1 February 1938: applying the method of preliminary determination of focal mechanism to a historical event by Okal, Emile A, Reymond, Dominique

“…A moment tensor solution is derived for the great 1938 Banda Sea earthquake, one of the largest events for which no definitive focal geometry has been…”
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Normal Mode Energetics for Far-field Tsunamis Generated by Dislocations and Landslides by Okal, E A

“…-- We apply the normal mode representation of tsunami waves, as introduced by Ward (1980) to the systematic study of the excitation of far-field tsunamis by…”
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Historical seismicity of the southeastern Caribbean and tectonic implications by RUSSO, R. M, OKAL, E. A, ROWLEY, K. C

“…We have relocated the twenty-eight largest magnitude (4.3 less than or equal to M sub(s) less than or equal to 7.3) historical (1922-1963) earthquakes of the…”
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T Waves from the 1998 Papua New Guinea Earthquake and its Aftershocks: Timing the Tsunamigenic Slump by Okal, E A

“…-- T waves recorded at hydrophone and seismic stations following the Papua New Guinea earthquake of 17 July 1998 and its aftershocks show that a small event at…”
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The deficient T waves of tsunami earthquakes by Okal, Emile A., Alasset, Pierre-Jean, Hyvernaud, Olivier, Schindelé, François

“…We develop an algorithm quantifying the energy flux of T phases recorded at island stations following major teleseismic events, which we further scale by the…”
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Intraplate seismicity of the Pacific Basin, 1913-1988 by WYSESSION, M. E, OKAL, E. A, MILLER, K. L

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Long-range detection of hydroacoustic signals from large icebergs in the Ross Sea, Antarctica by Talandier, Jacques, Hyvernaud, Olivier, Okal, Emile A., Piserchia, Pierre-Franck

“…Hydroacoustic signals detected in late 2000 by seismic stations in Polynesia are shown to originate from huge icebergs which at the time were drifting in the…”
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Multiple-ScS probing of the Ontong-Java Plateau by Gomer, B.M., Okal, E.A.

“…We use multiple-ScS phases recorded at Pohnpei from a 1996 deep earthquake under the Solomon Islands to investigate the shear velocity and attenuation…”
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“Detached” deep earthquakes: are they really? by Okal, Emile A

“…We use primarily the generation of acoustic T waves into the ocean by deep seismic sources to investigate the propagation of high-frequency seismic energy from…”
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Evidence for a rheologically strong chemical mantle root beneath the Ontong–Java Plateau by Klosko, E.R., Russo, R.M., Okal, E.A., Richardson, W.P.

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