COPALIS BEACH, WATERFALL — When Japan issued its first “megaquake” warning last week, Washington state seismologist Harold Tobin was watching developments closely. The warning came […]
Tag: Cascadia Subduction Zone
Earthquake researchers recognize warning signs of the “big quake.” When should they inform the public?
Brian Atwater, scientist emeritus of the US Geological Survey, shows mud deposited by the tsunami. COPALIS BEACH, WATERFALL — When Japan issued its first “megaquake” […]