The 2015 landslide and tsunami in Taan Fiord, Alaska

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dc.contributor.authorHigman, Bretwooden
dc.contributor.authorShugar, Dan H.en
dc.contributor.authorStark, Colin P.en
dc.contributor.authorEkstrom, Goranen
dc.contributor.authorKoppes, Michele N.en
dc.contributor.authorLynett, Patricken
dc.contributor.authorDufresne, Anjaen
dc.contributor.authorHaeussler, Peter J.en
dc.contributor.authorGeertsema, Martenen
dc.contributor.authorGulick, Seanen
dc.contributor.authorMattox, Andrewen
dc.contributor.authorVenditti, Jeremy G.en
dc.contributor.authorWalton, Maureen A. L.en
dc.contributor.authorMcCall, Naomaen
dc.contributor.authorMckittrick, Erinen
dc.contributor.authorMacInnes, Breanynen
dc.contributor.authorBilderback, Eric L.en
dc.contributor.authorTang, Huien
dc.contributor.authorWillis, Michael J.en
dc.contributor.authorRichmond, Bruceen
dc.contributor.authorReece, Robert S.en
dc.contributor.authorLarsen, Chrisen
dc.contributor.authorOlson, Bjornen
dc.contributor.authorCapra, Jamesen
dc.contributor.authorAyca, Aykuten
dc.contributor.authorBloom, Colinen
dc.contributor.authorWilliams, Haleyen
dc.contributor.authorBonno, Dougen
dc.contributor.authorWeiss, Roberten
dc.contributor.authorKeen, Adamen
dc.contributor.authorSkanavis, Vassiliosen
dc.contributor.authorLoso, Michaelen
dc.contributor.departmentGeosciencesen
dc.date.accessioned2018-12-07T20:25:04Zen
dc.date.available2018-12-07T20:25:04Zen
dc.date.issued2018-09-06en
dc.description.abstractGlacial retreat in recent decades has exposed unstable slopes and allowed deep water to extend beneath some of those slopes. Slope failure at the terminus of Tyndall Glacier on 17 October 2015 sent 180 million tons of rock into Taan Fiord, Alaska. The resulting tsunami reached elevations as high as 193 m, one of the highest tsunami runups ever documented worldwide. Precursory deformation began decades before failure, and the event left a distinct sedimentary record, showing that geologic evidence can help understand past occurrences of similar events, and might provide forewarning. The event was detected within hours through automated seismological techniques, which also estimated the mass and direction of the slide - all of which were later confirmed by remote sensing. Our field observations provide a benchmark for modeling landslide and tsunami hazards. Inverse and forward modeling can provide the framework of a detailed understanding of the geologic and hazards implications of similar events. Our results call attention to an indirect effect of climate change that is increasing the frequency and magnitude of natural hazards near glaciated mountains.en
dc.description.notesThe text benefitted from USGS internal review by Brian Atwater and Stephanie Ross. The work was funded by National Science Foundation grants EAR-1639643, EAR-1638898, EAR-1639010, EAR-1638931, EAR-1638979, EAR-1638434, CMMI-1650357, the U.S. Geological Survey, Virginia Tech, the Canadian National Science and Engineering Research Council Discovery Grants program, and the Oceans Alaska Science and Learning Center, a National Park Service partner. We thank the University of North Carolina at Chapel Hill Research Computing group for providing computational resources that have contributed to these research results. Geospatial support for this work provided by the Polar Geospatial Center under NSF PLR awards 1043681 and 1559691. This is UTIG Contribution #3281. Several DEMs were used in this paper, and all are publicly available or available by request.en
dc.description.sponsorshipNational Science Foundation [EAR-1639643, EAR-1638898, EAR-1639010, EAR-1638931, EAR-1638979, EAR-1638434, CMMI-1650357]; U.S. Geological Survey, Virginia Tech; Canadian National Science and Engineering Research Council Discovery Grants program; Oceans Alaska Science and Learning Center, a National Park Service partner; Polar Geospatial Center under NSF PLR award [1043681, 1559691]en
dc.format.extent12 pagesen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41598-018-30475-wen
dc.identifier.issn2045-2322en
dc.identifier.other12993en
dc.identifier.pmid30190595en
dc.identifier.urihttp://hdl.handle.net/10919/86271en
dc.identifier.volume8en
dc.language.isoen_USen
dc.publisherSpringer Natureen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectbayen
dc.subjectmountainsen
dc.subjectdepositsen
dc.subjectislandsen
dc.subjectflooden
dc.titleThe 2015 landslide and tsunami in Taan Fiord, Alaskaen
dc.title.serialScientific Reportsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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