Cascadia Megaquake and Subsequent Tsunami
An Intelligent Man's Guide to M9+ - Cascadia Rising - M9+ to M10+ Cascadia Megaquake and Subsequent Tsunami in Pacific Northwest U.S. - Washington, Oregon, California - and West Coast British Columbia. We are overdue. These inter-plate earthquakes are the planet's most powerful, with moment magnitudes that can exceed 9.0+. Please feel free to copy and paste one, all, or part. Please comment below each post.