One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Millions of tonnes of ash and rock from an erupting Philippine volcano could bury nearby communities due to heavy rain, authorities said Saturday, as tens of thousands flee over fears of a deadly ...

Something stirred beneath Mount Rainier this summer, sending over 1,000 earthquakes through the ground in weeks—the largest swarm ever recorded at this towering volcano. Seismometers glowed with ...

A volcanic eruption at national park triggered explosive rock storm & ash plume forcing emergency evacuations Scientists warn of continued seismic activity ...

Cars were swept away by volcanic mudflows during floods near Mount Merapi, leaving three people dead in Indonesia. Footage shows a lorry struggling against the fast-moving current before being dragged ...