Articles tagged "magma"

pano 775x219

Magma held in 'cold storage' before giant volcano eruption

Long Valley, California, has long defined the "super-eruption." About 765 000 years ago, a pool of molten rock exploded into the sky. Within one nightmarish week, 760 km3 (182 mi3) of lava and ash spewed out in the kind of volcanic cataclysm we hope never...

November 11, 2017

deep sea volcano cp 7834521

Deep-sea volcanoes could also explode

Between 75 and 80 % of all volcanic activity on Earth takes place at deep-sea, mid-ocean ridges. Most of these volcanoes produce effusive lava flows rather than explosive eruptions, both because the levels of magmatic gas (which fuel the explosions and are made up of a

March 29, 2011

Taal_Volcano

16 quakes recorded around Bulusan after ash explosion

At least 16 volcanic quakes were recorded around restive Bulusan Volcano in Sorsogon, less than 24 hours after its latest ash explosion. The Philippine Institute of Volcanology and Seismology also reported ash deposits in many areas in Sorsogon following Monday's

February 22, 2011

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Mt. Bulusan spews ash - evacuation in progress!

The Philippine Institute of Volcanology and Seismology (Phivolcs) said the volcano emitted ash as high as two kilometres (1.2 miles) on Sunday and have recorded at least twenty-eight (28) volcanic earthquakes were recorded by Bulusan Volcano’s (12°46.2’N,

February 21, 2011