The distance of Semeru volcano's pyroclastic flow, originally at 4.5 km, has now extended to 8 km. Its maximum amplitude has also increased to 40 mm.

Mount Semeru, the highest active volcano in Java, Indonesia, has erupted with an enormous 54,000-foot ash cloud, triggering red-level flight safety warnings from Australia. The eruption happened in three explosive stages,

A volcano in Indonesia has erupted with an 54,000ft ash cloud spouting into the air, triggering a flight safety warning. Mount Semeru, located on the border of the Lumajang District and Malang District in East Java erupted this morning at 6.11am local time.

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 pyroclastic flows, as a result of turbulence, laboratory and ...

One of the leading killers during explosive volcanic eruptions is a family of superheated gas, ash, and debris known as pyroclastic density currents. These tumbling, turbulent paroxysms rush downslope at temperatures as high as 1,300°F and at speeds often ...

THE state seismology bureau on Monday advised the public, especially those living near the permanent danger zone around Kanlaon Volcano in Negros Islands, to be more vigilant over the possible surge of lahar caused by the prolonged heavy rainfall due to Typhoon Tino.