Pyroclastic density currents (PDCs) represent some of the most formidable and complex volcanic phenomena, characterised by a turbulent mixture of solid particles and gases that surge down slopes at ...
A powerful volcanic eruption in Indonesia sent residents fleeing as Mount Semeru released a towering ash column and pyroclastic flow - a fast-moving, superheated cloud of dense volcanic gas, ash and ...
ANCHORAGE, Alaska (AP) - Ash from a steadily erupting volcano in south-central Alaska wafted slowly toward the southern Kenai Peninsula and grounded flights to and from Kodiak Island on Monday.
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