Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

While they will have minimal to no effect on the “restiveness” of volcanoes, storms and heavy rainfall may, however, trigger ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) issued a lahar advisory on Friday, urging communities in ...

The state weather bureau warned residents near the Mayon Volcano of possible lahar flows as the Bicol region may experience ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) and local disaster response authorities have warned that ...

Local government and disaster response officials in Albay have stepped up precautions against possible lahar flows as Tropical Storm “Ada” threatens to bring heavy rains to the ...

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 ...

TROUT LAKE — As Pat Arnold plucked weeds from her yard with a view of snow-capped Mount Adams, she navigated around large boulders that hint at the volcano’s destructive past. Over the course of ...

Mount Rainier was quiet Wednesday morning. The lahar siren at a Puyallup fire station was not. The lahar-warning system at the station at 311 W. Pioneer went off about 10 a.m. The Puyallup Police ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) and local disaster response authorities have warned that ...