Cascadia Subduction Zone

Four Recent Earthquakes in the Cascadia Subduction Zone. Normal?
Four Recent Earthquakes in the Cascadia Subduction Zone. Normal?
Four Recent Earthquakes in the Cascadia Subduction Zone. Normal?
I looked up the PNSN Events website (Pacific Northwest Seismic Network) to see what recent earthquakes have recently occurred.  Here’s what I found. * A small 2.7 earthquake, two miles northwest of Fairchild Air Force Base, near Spokane happened at 10:25 a.m. this mo...