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    New seafloor map of the Puerto Rico trench helps assess earthquake and tsunami hazards

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    Date
    2004-09-14
    Author
    ten Brink, Uri S.  Concept link
    Danforth, William W.  Concept link
    Polloni, Christopher  Concept link
    Andrews, Brian D.  Concept link
    Llanes, Pilar  Concept link
    Smith, Shepard  Concept link
    Parker, Eugene  Concept link
    Uozumi, Toshihiko  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/10692
    As published
    https://doi.org/10.1029/2004EO370001
    DOI
    10.1029/2004EO370001
    Abstract
    The Puerto Rico Trench, the deepest part of the Atlantic Ocean, is located where the North American (NOAM) plate is subducting under the Caribbean plate (Figure l). The trench region may pose significant seismic and tsunami hazards to Puerto Rico and the U.S.Virgin Islands, where 4 million U.S. citizens reside. Widespread damage in Puerto Rico and Hispaniola from an earthquake in 1787 was estimated to be the result of a magnitude 8 earthquake north of the islands [McCann et al., 2004]. A tsunami killed 40 people in NW Puerto Rico following a magnitude 7.3 earthquake in 1918 [Mercado and McCann, 1998]. Large landslide escarpments have been mapped on the seafloor north of Puerto Rico [Mercado et al., 2002; Schwab et al., 1991],although their ages are unknown.
    Description
    Author Posting. © American Geophysical Union, 2004. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Eos 85 (2004): 349,354, doi:10.1029/2004EO370001 .
    Collections
    • Energy and Geohazards
    Suggested Citation
    Eos 85 (2004): 349,354
     
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