Experts believe a Mount Rainier eruption would post a grave threat to millions who live in the southern and eastern sections ...

With five active volcanoes in Washington state, the threat of a repeat eruption looms large in many minds. Scientists at the U.S. Geological Survey’s Cascades Volcano Observatory want to ease those ...

Thanks to a dense array of sensors on the volcano’s summit and flanks, scientists know that Axial Seamount has been swelling with magma and getting taller, a sign that it’s ready to go off.

Expansive lava flows in the Sáttítla Highlands was captured by satellites ahead of the recent designation of the area as a national monument.

Geophysicist Michael Poland of the U.S. Geological Survey’s Cascades Volcano Observatory in Vancouver, Wash., agrees. Because most of today’s efforts rely on recognizing patterns, he says ...

The result was the Volcano Disaster Assistance Program, or VDAP. Based at the Cascades Volcano Observatory in Vancouver, Washington, this crack unit is standing by at all times, ready to lend a ...

Geophysicist Michael Poland of the US Geological Survey's Cascades Volcano Observatory in Vancouver, Washington, agrees that efforts rely on recognizing patterns. "It's about recognizing patterns ...