Active volcano threatens Alaska's largest city

A volcano near Alaska's largest city is likely to erupt soon. Scientists say Mount Spurr — about 80 miles from Anchorage — is becoming more seismically active, spewing large amounts of dangerous gasses and heating up at its surface.

Alaska Volcano Observatory geologist Abbey Nastan joins Here & Now's Peter O'Dowd for more on why an eruption seems imminent — and the potential risks for Alaskans near it.