Jerry Thompson > Quotes

“learned why those canyons and channels cutting across the flat surface of the ocean floor looked so much like a big river and its tributaries meandering across the prairies. It’s because that’s exactly what they are. This spidery web of channels is basically an extension of the Columbia River system across the sea floor—through the mud on top of the Juan de Fuca plate.”
― Jerry Thompson, Cascadia's Fault: The Coming Earthquake and Tsunami that Could Devastate North America

“Bottom line: if you’re on a beach and the ground starts shaking—and especially if that shaking lasts more than one minute—it’s probably a subduction earthquake and there probably will be a tsunami. The shaking is all the warning you’re going to get.”
― Jerry Thompson, Cascadia's Fault: The Coming Earthquake and Tsunami that Could Devastate North America