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Field Survey of the 27 February 2010 Chile Tsunami |
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| Authors: | Hermann M Fritz Catherine M Petroff Patricio A Catal??n Rodrigo Cienfuegos Patricio Winckler Nikos Kalligeris Robert Weiss Sergio E Barrientos Gianina Meneses Carolina Valderas-Bermejo Carl Ebeling Athanassios Papadopoulos Manuel Contreras Rafael Almar Juan Carlos Dominguez Costas E Synolakis |
| Institution: | 1. School of Civil and Environmental Engineering, Georgia Institute of Technology, Savannah, GA, 31407, USA 2. LP4 Associates LLC, Mercer island, WA, USA 3. Departamento de Obras Civiles, Universidad T??cnica Federico Santa Mar??a, Valpara??so, Chile 4. Departamento de Ingenier??a Hidr??ulica y Ambiental Escuela de Ingenier??a, Pontificia Universidad Cat??lica de Chile, Santiago, Chile 5. School of Ocean Engineering, Universidad de Valpara??so, Valpara??so, Chile 6. Department of Environmental Engineering, Technical University of Crete, 73100, Chania, Greece 7. Department of Geology and Geophysics, Texas A&M University, College Station, TX, USA 8. Departamento de Geof??sica, Universidad de Chile, Santiago, Chile 9. Department of Earth and Planetary Sciences, Northwestern University, Evanston, IL, USA 10. Departamento de Ingenier??a Inform??tica, Facultad de Ingenier??a, Universidad de Playa Ancha, Valpara??so, Chile 11. Department of Civil and Environmental Engineering, University of Southern California, Los Angeles, CA, 90089, USA 12. Hellenic Center for Marine Research, 19013, Anavyssos, Greece |
| Abstract: | On 27 February 2010, a magnitude M w?=?8.8 earthquake occurred off the coast of Chile??s Maule region causing substantial damage and loss of life. Ancestral tsunami knowledge from the 1960 event combined with education and evacuation exercises prompted most coastal residents to spontaneously evacuate after the earthquake. Many of the tsunami victims were tourists in coastal campgrounds. The international tsunami survey team (ITST) was deployed within days of the event and surveyed 800?km of coastline from Quintero to Mehuín and the Pacific Islands of Santa María, Mocha, Juan Fernández Archipelago, and Rapa Nui (Easter). The collected survey data include more than 400 tsunami flow depth, runup and coastal uplift measurements. The tsunami peaked with a localized runup of 29?m on a coastal bluff at Constitución. The observed runup distributions exhibit significant variations on local and regional scales. Observations from the 2010 and 1960 Chile tsunamis are compared. |
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