When a megathrust earthquake strikes, scientists around the world know in seconds. But what about hundreds of years ago? How, exactly, do scientists know there was a megathrust quake on the Cascadia Subduction Zone on January 26, 1700 between 9:00 and 10:00 p.m.? The answer lies in a ghost forest discovered on the Washington coast that reveals the secrets of one of the most powerful earthquakes to hit the planet.
Northwest disaster officials and communities propose new structures for people to get to safety when a killer tsunami wave is on the way, not by trying to outrun the wave, but by trying to out-climb it.
On March 12, a one-foot tidal wave was filmed as it slowly surged across the San Francisco Bay. The wave traveling 5000 miles from Japan started out as a 23-foot tsunami off the Japanese coast.
Post on Mar 17, 2011 by Cat
On January 26, 1700, at about 9:00 p.m. Pacific Standard Time one of the largest earthquakes ever to strike the Pacific Northwest rumbled across the Cascadia Subduction Zone. This massive earthquake sent a giant 33 foot high tsunami crashing onto shore, inundating the quiet coastline.
Post on Jul 28, 2009 by Chris Bauer