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Showing 1 to 9 of 9 for “"tsunami inundation"”.
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Mapping and Modeling the Seattle Fault Tsunami Inundation in Puget Sound
… communities of Puget Sound are susceptible to tsunami inundation from multiple sources. Two sources of potential tsunami hazard that threaten the region are earthquakes on crustal faults in the Puget Lowlands, or earthquakes originating on the Cascadia subduction zone. This study investigated …
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Evaluation of Tsunami Design Codes and Recommendations for Bridges Susceptible to Tsunami Inundation
Much of the past tsunami research has focused on inundation modeling, evacuation strategies and to a lesser extent, building design. Although many of the bridges that lie within possible tsunami inundation zones provide critical lifelines to coastal communities, the effects of tsunamis on …
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Stratigraphic and microfossil evidence of repeated late Holocene tsunami inundation at Sitkalidak Island, Alaska
… and microfossil evidence of repeated tsunami inundation over the last ~400 years at Sitkalidak Island, located 0.5 km off the coast of south-central Kodiak Island. Peat cores collected from an estuary in southern Sitkalidak Island reveal three anomalous, laterally continuous sand beds …
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Expanding the stratigraphic record of tsunami inundation along the semi-arid, siliciclastic coast of north-central Chile
… approximately 150 km. The earthquake triggered a tsunami that impacted 500 km of coastline from Huasco (28.5°S) to San Antonio (33.5°S), registering as much as 4.5 m on the tide gauge at Coquimbo (30.0°S) with run-up heights >10 m at a few exposed locations between Limarí (30.7°S) and Coquimbo. …
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Refining tsunami inundation limits for the 1700 CE Cascadia earthquake: detailed mapping of fine-grained deposits and diatom biostratigraphy at the Salmon River estuary, central Oregon
… evidence of coseismic subsidence and sandy tsunami deposits preserved in coastal wetlands provide tangible evidence of the 1700 CE Cascadia Subduction Zone (CSZ) earthquake and tsunami. Such evidence has been used to evaluate earthquake source models by comparing simulated tsunami inundation …
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The 2004 and 1861 Tsunami Deposits on Simeulue Island, Western Sumatra
<p>Megathrust earthquakes and associated tsunamis along the subduction zone along western Sumatra represent a significant seismic hazard that is not well understood. I present the results of mapping, paleoseimologic, and geochronologic studies of tsunami deposits exposed on Simeulue Island, western …
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Assessing the Rates of Post-Depositional Change Within 2004 Indian Ocean Sediments: Implications for Long-Term Records of Paleotsunamis
… are commonly used to examine patterns of tsunami inundation occurring over centennial to millennial timescales, but the impacts of post-depositional change on geologic reconstructions are unknown. In Sumatra, the taphonomic character (i.e., test surface condition) of a foraminifer can …
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Assessing the Use of Tsunami Simulations as a Tool to Predict Source Magnitudes and Locations of Paleoearthquakes in Chile
A long-term goal of paleotsunami studies is the ability to predict paleoearthquake parameters based on tsunami deposits found on land. Chile provides an exemplary location for testing methods of making these predictions because the historical record includes 41 major earthquakes as far back as 1562 …
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Catastrophic Tsunamis In the Indonesian Archipelago
Tsunamis are not rare events for the Indonesian Archipelago as a consequence of four major plate boundaries that meet and collide, and producing highly active seismic zone that is mostly located under the sea. The ‘tsunami season’ within this region started in 1992 at Hading Bay, Flores Island, …