Central Washington State isn’t known for being very seismically active, especially compared with the western part of the state, where earthquakes are fairly common. But the town of Entiat, about 3 hours east of Seattle, is an exception: The area recorded hundreds of earthquakes over the past century. A group of scientists investigating this unusual and long-lasting activity recently reported that the quakes may actually be aftershocks of a larger earthquake, one that occurred 145 years ago.
Read the rest of my story for Eos here.