Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 19, issue 8
Articles | Volume 19, issue 8
https://doi.org/10.5194/nhess-19-1865-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-19-1865-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 8
Research article
 | 
26 Aug 2019
Research article |  | 26 Aug 2019

Impact of hurricanes Irma and Maria on the Pacific Tsunami Warning Center initial tsunami warning capability for the Caribbean region

Victor Sardina, David Walsh, Kanoa Koyanagi, Stuart Weinstein, Nathan Becker, Charles McCreery, and Christa von Hillebrandt-Andrade

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Short summary
We quantified the impact of hurricanes Irma and Maria on the PTWC initial tsunami warning capability for the Caribbean region after accounting for hurricane-related seismic station outages. Within the eastern Caribbean region the hurricanes exacerbated outages to an astonishing 82 % of the available 76 stations. This resulted in up to 02:33 and 04:33 min added to the earthquake detection and response times, effectively knocking out PTWC's local tsunami warning capabilities in the region.
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