Earthquakes at massive Alaska volcano Mount Spurr ramp up again — and there's now a 50-50 chance of an eruption
Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main crater.
Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main crater.
