Monthly Archives: October 2015

Crescent City Tsunami Deposits: Sand Mine Marsh, 1700 A.D. Cascadia subduction zone earthquake generated tsunami

I collected some cores in the Crescent City region. The sedimentary evidence of the 1700 A.D. Cascadia subduction zone earthquake and tsunami is preserved in these cores. Watch the video below. Here is a composite of the two cores that … Continue reading

Posted in cascadia, College Redwoods, earthquake, education, geology, HSU, plate tectonics, subduction, tsunami