Alaska volcano Mount Redoubt erupts 5 times

(AP) -- Alaska's Mount Redoubt volcano erupted five times overnight, sending an ash plume more than 9 miles into the air in the volcano's first emissions in nearly 20 years.

Icelandic volcanoes can be unpredictable and dangerous

If history is any indication, the erupting volcano in Iceland and its immense ash plume could intensify, says a Texas A&M University researcher who has explored Icelandic volcanoes for the past 25 years.

One week of ash from Mexico's volcano

(Phys.org) -- Satellites continue to provide a look at the ash and gas clouds being emitted from Mexico's Popocatepetl Volcano. NASA has animated imagery from NOAA's GOES-13 satellite to provide a week long look at the volcano's ...

Smelling Grímsvotn: Signal of a volcanic eruption

(Phys.org)—While piloting a commercial transatlantic flight last year, Captain Klaus Sievers and his crew got a whiff of an unusual odour. In a confined space 10 km up in the air, there was only one thing it could be.

Online tool boosts ash cloud forecasts

A new online tool for predicting the amount of ash pumped into the atmosphere during a volcanic eruption has been made openly available to scientists around the world.

Ecuador volcano blasts lava high above crater

Volcano monitors say Ecuador's Tungurahua volcano shot lava a half mile (1 kilometer) above its crater overnight and blasted hot rock and gas nearly 2 miles (3 kilometers) down its flank.

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