Field Survey of the 27 February 2010 Chile Tsunami

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 evacuat...

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Bibliographic Details
Published in:Pure and applied geophysics 2011-11, Vol.168 (11), p.1989-2010
Main Authors: Fritz, Hermann M., Petroff, Catherine M., Catalán, Patricio A., Cienfuegos, Rodrigo, Winckler, Patricio, Kalligeris, Nikos, Weiss, Robert, Barrientos, Sergio E., Meneses, Gianina, Valderas-Bermejo, Carolina, Ebeling, Carl, Papadopoulos, Athanassios, Contreras, Manuel, Almar, Rafael, Dominguez, Juan Carlos, Synolakis, Costas E.
Format: Article
Language:English
Subjects:
Archipelagoes
Coastal
Coastlines
Earth and Environmental Science
Earth Sciences
Earthquake damage
Earthquakes
Evacuation
Geophysics/Geodesy
Islands
Maria
Seismic activity
Seismic phenomena
Seismology
Tsunamis
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Summary: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.
ISSN:0033-4553
1420-9136
DOI:10.1007/s00024-011-0283-5