January 26, 1700 Cascadia earthquake anniversary

WASHINGTON STATE GEOLOGY NEWS

We are at the mercy of the Juan de Fuca plate, a major player in our geologic future. We are at the mercy of the Juan de Fuca plate, a major player in our geologic past, present, and future.

I am so glad I wasn’t alive 315 years ago today. Not only were there no espresso or Netflix, two items I deem necessary for survival, that day in particular was probably spectacular in terms of its awfulness. At around 9:00 pm, a 1,000 km rupture along the Cascadia subduction zone offshore of Washington, Oregon, and California produced a Magnitude 9 megathrust earthquake. The quake generated a tsunami that reached the coast of Japan about 4,700 miles away. Scientists like Brian Atwater with the U.S. Geological Survey have spent much of their careers pulling tidbits of information out of stumps that were submerged during that event.

American Museum of Natural History—Reading the Geologic Record: https://www.youtube.com/watch?v=yz9ioAIaJVA&feature=youtu.be

It’s completely safe to assume that this will happen again in our lifetimes. Are we prepared for this? I’m not, although I…

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