Related topics: volcano

Possible trigger for volcanic 'super-eruptions' found

The "super-eruption" of a major volcanic system occurs about every 100,000 years and is considered one of the most catastrophic natural events on Earth, yet scientists have long been unsure about what triggers these violent ...

Giant 'balloon of magma' inflates under Santorini

A new survey suggests that the chamber of molten rock beneath Santorini's volcano expanded 10-20 million cubic metres – up to 15 times the size of London's Olympic Stadium – between January 2011 and April 2012.

Magma pancakes beneath Lake Toba

Where do the tremendous amounts of material that are ejected to from huge volcanic calderas during super-eruptions actually originate?

Putting the squeeze on planets outside our solar system

(PhysOrg.com) -- Using high-powered lasers, scientists at Lawrence Livermore National Laboratory and collaborators discovered that molten magnesium silicate undergoes a phase change in the liquid state, abruptly transforming ...

Supervolcanoes likely triggered externally, study finds

Supervolcanoes, massive eruptions with potential global consequences, appear not to follow the conventional volcano mechanics of internal pressure building until the volcano blows. Instead, a new study finds, such massive ...

Research team discovers third type of volcanic eruption

(Phys.org)—A team of researchers from New Zealand's Victoria University has discovered what its members believe to be, a third type of volcanic eruption. In their paper published in the journal Nature Geoscience, they describe ...

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