The chief volcanologist Teresito Bacolcol said it is too early to tell if Mayon’s restiveness would lead to a major and ...

Dome-collapse pyroclastic density currents (PDCs) were once again monitored from the summit of Mayon Volcano on Friday ...

On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the Pacific Northwest: what happens when the region’s most dangerous volcano ...