How scientists know when the last big Cascadia earthquake happened
Neskowin Ghost Forest, 2012. (Wolfram Burner/Flickr/) At approximately 9 p.m. Pacific Standard Time, Jan. 26, 1700, a magnitude 8 or 9 earthquake occurred on the Cascadia Subductio…
Neskowin Ghost Forest, 2012. (Wolfram Burner/Flickr/) At approximately 9 p.m. Pacific Standard Time, Jan. 26, 1700, a magnitude 8 or 9 earthquake occurred on the Cascadia Subductio…