Avalanches of ash, gas and rock that cascade downhill during volcanic eruptions may be even more dangerous than scientists had realized. Pulses of high pressure form within these slides, known as ...

Roughly 50 kilometers separate two of Central America’s most dangerous volcanoes, and both are erupting. At Santa Maria, the ...

Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...

Albay province, Philippines – Inside the gymnasium-turned-shelter in Daraga, families sleep on cardboard mats between folding ...

Pyroclastic density currents (PDCs) are high-energy, ground-hugging flows of hot gas and fragmented volcanic material that pose one of the greatest lethal volcanic hazards. Their dynamics are governed ...

AS the Department of Science and Technology-Philippine Institute of Volcanology and Seismology (DOST-Phivolcs) assesses a possible extension of the permanent danger zone around Mayon Volcano, where ...