Thousands of tiny tremors over the past few months have moved parts of Washington and Vancouver Island westward. It’s a near annual event that backs expectations by some scientists that a big earthquake may hit the Seattle area harder than their previous models suggested.
This recent wave of activity began in May and appears to be dying off now, according to University of Washington earth-sciences professor Ken Creager. It’s a process, known as episodic tremor and slip, thought to increase
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