The drill will involve the Puyallup, Sumner-Bonney Lake, Orting, White River and Carbonado school districts.

They are some of the most dangerous natural events around our Cascade volcanoes. Lahars can slam communities far from the ...

Communities across East Pierce County will participate in a coordinated regional lahar evacuation exercise on Thursday, April ...

MANILA, Philippines —No reports of lahar from Mayon Volcano have emerged after several days of rain, but state volcanologists have urged caution, as the possibility remains. In a public briefing on ...

A lahar is one of the most serious volcanic hazards because its impact can extend far beyond the volcano itself. These phenomena are common in the vicinity of Semeru.

The Puyallup River valley can expect monthly chimes in lieu of blaring sirens going forward. Pierce County has upgraded the lahar siren system to include blue strobe lights, a voice message and a few ...