The US Geological Survey has observed a series of minor quakes occurring under Mount Rainier, which is the nearest major volcano to Seattle. Experts indicate that this seismic activity pattern mirrors those seen prior to historical eruptions, and this volcano contains more glacial ice than all other Cascade mountains combined. With over 150,000 residents situated in the lahar zone and the previous major eruption occurring a millennium ago, geologists believe the system is overdue for an event. Here’s what the people of Washington should be aware of.
