TACOMA – During a twice-yearly test of a warning system designed to notify people of a catastrophic mudflow from Mount Rainier, lahar sirens that failed to go off in the past worked perfectly but ...

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.

CAMP MURRAY -- The Washington emergency alert system accidentally sent a warning Friday to all broadcast outlets statewide that a lahar -- a massive, volcanic-caused mudflow -- had occurred. State ...

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 ...

TACOMA -- During a twice-yearly test of a warning system designed to notify people of a catastrophic mudflow from Mount Rainier, lahar sirens that failed to go off in the past worked perfectly but ...

SUMNER, Wash. A lahar warning siren test that failed a week ago went off without a hitch Tuesdaymorning. A siren at Sumner Industrial Park wailed for about 40 seconds. Pierce County officials say a ...

WELLINGTON, March 19 (Reuters) - New Zealand scientists kept watch on a volcanic crater on Monday after a natural dam burst, sending a torrent of muddy water and debris down the side of a peak used as ...