Mount Rainier looms over the Pacific Northwest, its snow-capped summit visible from Seattle on clear days. At 14,411 feet, ...

Mount Rainier’s newly-approved lahar detection upgrades will have a quirk: A couple of stations planted right in the likely paths of mudslides. In other words, researchers will be putting their Mt.

SEATTLE — Officials plan to improve a volcanic mudflow warning system for Mount Rainier. Scientists say the upgrades could detect trouble sooner and give southeastern Puget Sound residents more time ...

TACOMA – An emergency radio station mistakenly warned that a massive, volcanic-caused mudflow was headed from the flanks of Mount Rainier and that listeners in the valley below should rush to higher ...

A mudflow that recently burst through the banks of a volcanic lake in New Zealand gave scientists an up-close and personal view of the freak event and a chance to test their disaster warning systems.

Indonesia's Geological Agency head warned that Mount Semeru's recent pyroclastic deposits could cause secondary disasters if ...