through new, smaller cones that form "like pimples' on the sides of the volcano perpendicular to the mountain chain, ten Brink says.
While geologists say Yellowstone will likely never erupt
again, scientists around the world use Ash3d daily to predict the potential fallout from restless volcanoes--including Bardarbunga, the Icelandic volcano that began erupting in late August.
htm) Seven Volcanoes in Six Countries Erupt
within Hours - But no Sign of Doomsday
8, you read about glaciovolcanoes under ice that explosively erupt
And it's estimated that Katla could erupt
with 10 times the force of its neighbour if history repeats itself.
The technique, which examines crystals in the same way naturalists look at tree rings, could be used to predict when volcanos will erupt
and on what scale, the researchers say.
While the unnamed volcano is geologically active, it is unknown whether it might erupt
anytime soon, or whether it will ever rise above the ocean surface to form a new island.
The new finding could help researchers predict how quickly a new supervolcano could emerge and erupt
in the region, Wotzlaw says.
Over 17,000 people have now been evacuated from villages surrounding Mount Sinabung in Indonesia as the volcano continues to erupt
FIRED UP: When a solar flare (bright spot, below) erupts
on the sun, it can take days for the charged particles to reach Earth.
When a CME and its charged-particle entourage strike Earth's magnetosphere--usually 3 to 4 days after the CME erupts
in the corona--the cloud can trigger potentially devastating electrical events.
e1) told Agence-France Presse that Hekla usually erupts
with both lava and ash and "if the next eruption is of the same character (as the previous ones), it is unlikely that it will have any effects on flights in Europe.
If Rainier erupts
, lava or pyroclastic flow shouldn't reach far beyond the boundaries of Mount Rainier National Park, explains Willie Scott, head scientist at the Cascades Volcano Observatory in Vancouver, Washington.
Once it erupts
, an outburst takes about 4 days to reach Earth.
In Volcano, a burst of lava erupts
from a hidden source beneath downtown Los Angeles, where no volcano even exists.