August 9, 2005
At Young’s Bay outside of Astoria, Oregon. Brian Atwater (US Geological Survey Seattle) explaining the interaction between the Juan de Fuca plate (his right hand) and the North American Plate (his left hand) at the Cascadia subduction zone.
Adam Joy (Discovery Middle School, Vancouver, WA) and Brian Atwater leaning on root of tree killed by submergence into the intertidal zone during sudsidence resulting from the Great Cascadia Earthquake that occurred during the evening of January 26, 1700.
Tsunami Hazard Zone sign in Seaside, Oregon within the tsunami inundation zone.
A stratigraphic section with dark 1700 tidal marsh soil below ~ 10-cm-thick tsunami sand overlain by fine-grained tidal-flat silts and clays. Multiple layers within the tsunami sand probably represent multiple tsunami waves.
TOTLE teachers Kathy Willett (Wallowa County), Karen Shay and Becca Wagner (Sunnyside Environmental School, Portland) working with campers on tsunamis lessons at Camp Kiwanilong operated by OMSI Science Camps.