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The tragedy of the 2004 Indian Ocean tsunami has led to a rapid expansion in science directed at understanding tsunami and mitigating their hazard. A remarkable cross-section of this research was presented in the session: Tsunami Generation and Hazard, at the International Union of Geodesy and Geophysics XXIV General Assembly in Perugia, held in July of 2007. Over one hundred presentations were made at this session, spanning topics ranging from paleotsunami research, to nonlinear shallow-water theory, to tsunami hazard and risk assessment.
A selection of this work, along with other contributions from leading tsunami scientists, is published in detail in the 28 papers of this special issue of "Pure and Applied Geophysics: Tsunami Science Four Years After the Indian Ocean Tsunami". While Part I focused on modelling and hazard assessment, Part II of this issue includes 14 papers covering new developments in observation and data analysis. These include new analyses of both recent and historical tsunami events, as well as state-of-the-art techniques for tsunami data analysis.
Introduction.- Field Survey and Geological Effects of the 15 November 2006 Kuril Tsunami in the Middle Kuril Islands.- The November 15, 2006 Kuril Islands-Generated Tsunami in Crescent City, California.- Validation and Joint Inversion of Teleseismic Waveforms for Earthquake Source Models Using Deep Ocean Bottom Pressure Records: A Case Study of the 2006 Kuril Megathrust Earthquake.- Variable Tsunami Sources and Seismic Gaps in the Southernmost Kuril Trench: A Review.- In situ Measurements of Tide Gauge Response and Corrections of Tsunami Waveforms from the Niigataken Chuetsu-oki Earthquake in 2007.- Excitation of Resonant Modes along the Japanese Coast by the 1993 and 1983 Tsunamis in the Japan Sea.- Numerical Study of Tsunami Generated by Multiple Submarine Slope Failures in Resurrection Bay, Alaska, during the M W 9.2 1964 Earthquake.- Lituya Bay Landslide Impact Generated Mega-Tsunami 50th Anniversary.- Tsunamis on the Pacific Coast of Canada Recorded in 1994--2007.- The 15 August 2007 Peru Earthquake and Tsunami: Influence of the Source Characteristics on the Tsunami Heights.- Tide Gauge Observations of 2004--2007 Indian Ocean Tsunamis from Sri Lanka and Western Australia.- Reconstruction of Tsunami Inland Propagation on December 26, 2004 in Banda Aceh, Indonesia, through Field Investigations.- The 1856 Tsunami of Djidjelli (Eastern Algeria): Seismotectonics, Modelling and Hazard Implications for the Algerian Coast.- Analysis of Observed and Predicted Tsunami Travel Times for the Pacific and Indian Oceans.
