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An eruption column or eruption plume is a cloud of super-heated ash and tephra suspended in gases emitted during an explosive volcanic eruption. The volcanic materials form a vertical column or plume that may rise many kilometers into the air above the vent of the volcano.
There are many instances of damage to jet aircraft as a result of an ash encounter. On 24 June 1982, a British Airways Boeing 747-236B flew through the ash cloud from the eruption of Mount Galunggung, Indonesia resulting in the failure of all four engines. The plane descended 24,000 feet (7,300 m) in 16 minutes before the engines restarted ...
Plinian eruption: 1: ash plume; 2: magma conduit; 3: volcanic ash fall; 4: layers of lava and ash; 5: stratum; 6: magma chamber 1822 artist's impression of the eruption of Mount Vesuvius in 79, depicting what the AD 79 eruption may have looked like, by the English geologist George Julius Poulett Scrope.
A volcanic eruption is one of the most powerful forces in nature, a seemingly unstoppable phenomenon that can have far-reaching impacts far beyond the area surrounding the volcano itself. When a ...
By RYAN GORMAN Recently released images show the stunning moment lightning bolts shot across a massive ash cloud emanating from an Indonesian volcano. The shock lightning occurred nearly one year ...
The ash cloud from the 1991 eruption of Mount Pinatubo in the Philippines traveled more than 5,000 miles and damaged more than 20 airplanes, USGS reported. The incident in 1989, among others ...
This eruption lasted eight days, from 7–15 June of that year, with an ash cloud that would have required additional days to dissipate, [76] and resulted in worldwide abnormal weather and decrease in global temperature over the next few years. However, the second phase of Eyjafjallajökull's eruption lasted longer than that of Mount Pinatubo.
The AVO refers to an "eruption" as any event which discharges ash into the atmosphere, while adding the term "explosion" for more vigorous events. The AVO did not rate and compare each eruption, although the 9:24 am eruption on March 26 reached an altitude of 65,000 feet making it the highest volcanic ash cloud to date during the 2009 phase of ...