It is commonly believed that the canine erupts
later than the premolars.
If the volcano does erupt
, we can escape quickly," he said.
We can't say when it will erupt
, but there have been clear signs that it will erupt
Underwater volcanoes, called seamounts, occur throughout the ocean wherever magma, melted rock inside the Earth, rises to the sea floor and erupts
5-mile exclusion zone around the volcano, claiming it could erupt
at any moment.
A study published this week in the journal Nature Geoscience tries to unravel some of that mystery, and suggesting how supervolcanoes form and why they erupt
Helens did, it will erupt
with violent force, shooting tons of gas, ash, and superheated volcanic rock or lava into the stratosphere, 50 km (31 mi) above Earth's surface.
Coronal mass ejections (CMEs), in which the sun spews huge magnetic clouds, erupt
several times a day.
That means that having a magma that can erupt
is a special condition.
But researchers don't know how soon after an S appears an active region will erupt
Scientists have devised a list of volcanoes that could erupt
at any time.
If the volcano were to erupt
today, scientists predict that the resulting ash cloud would affect areas 1,000 miles away, leaving two thirds of the entire US uninhabitable.
Gamma-ray bursts erupt
at random, and spacecraft detect them about once a day.
Of course, many volcanoes erupt
with little or no warning.
Over 17,000 people have now been evacuated from villages surrounding Mount Sinabung in Indonesia as the volcano continues to erupt