Tag Archives: Cascadia

Seismologists are learning the warning signs of the ‘Big Earthquake.’ When should they announce them to the public?

COPALIS BEACH, WASH. — When Japan first issued a “megaquake” warning last week, Washington state seismologist Harold Tobin was watching the event closely. The advice comes after a magnitude 7.1 earthquake hit the southern island of Kyushu. While the tremor didn’t cause much damage — the largest tsunami wave it produced would have reached up… Read More »