Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...
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 ...
In this photo provided by the Philippine Institute of Volcanology and Seismology, lava flows from the crater of the Mayon volcano as alert level 3 remains raised in Albay province, north eastern ...