The Americans had planned to use the Infrared Telescope Facility on top of Hawaii's Mauna Kea volcano the following night.

VOA: special.2009.08.25

(JIMMY BUFFETT - "VOLCANO") The first European to see the Florida Keys was Spanish explorer Ponce de Leon in the year fifteen-thirteen.

VOA: special.2010.03.22

Ash up to three hundred meters thick covered more than six hundred square kilometers around the volcano.

VOA: special.2010.07.05

This was formed by two explosions of the Jemez volcano more than one million years ago.

VOA: special.2010.07.05

Also,do not build up mulch around the base of trees or plants like a volcano.

VOA: special.2009.06.30

Air traffic over much of Europe came to a halt for six days because of the huge cloud of ash from a volcano in Iceland.

VOA: special.2010.04.23

The volcano that contains Haleakala National Park rises three thousand fifty meters above the sea.

VOA: special.2010.09.08

And there could be more delays as the Eyjafjallajokull volcano continues to release ash.

VOA: special.2010.04.23

Park officials at the information center tell you about the history of the volcano.

VOA: special.2010.09.08

He said the actions of the North might cause that volcano to explode.

VOA: special.2009.07.09

But one of Nicaragua's postal stamps showed a picture of an exploding volcano.

VOA: special.2010.08.19

Visitors can see how an active volcano adds mass to the island.

VOA: special.2010.09.08

The Alaska Volcano Observatory records five thousand a year.

VOA: special.2009.03.02

Here is a reading of his description of his first sight of the bats and the big cave: "I thought it was a volcano, but then,I'd never seen a volcano nor never before had I seen bats swarm, for that matter.

VOA: special.2009.12.07

Macpherson says the ash cloud is not unusual nor is the eruption of the volcano after 200 years of dormancy.

VOA: standard.2010.04.15

But he says, it's because of current wind patterns that the volcano is having such a major affect on European air travel.

VOA: standard.2010.04.16

There has also been extensive flooding in the southeastern part of Iceland as parts of a glacier were melted by the volcano.

VOA: standard.2010.04.15

So really at a worst-case scenario, with the volcano still going strongly, we could get airspace affected for the next few days."

VOA: standard.2010.04.17

The last time this volcano did erupt in the early 19th century, he says,it lasted two years.

VOA: standard.2010.04.16

The skies above large parts of Europe were empty for a second day Friday, as air safety authorities warned that the cloud of ash from Iceland's volcano is spreading.

VOA: standard.2010.04.16

The volcano has sent a massive cloud of microscopic ash particles swirling across northern Europe - particles that air specialists say are highly abrasive and could cause aircraft engines to fail.

VOA: standard.2010.04.16

"Because there are only a couple of previous records of eruption at this particular volcano, it is difficult to judge either how long the activity will go on there, or how long the volcano might then be dormant before it goes active again."

VOA: standard.2010.04.15

"It is not just a case of understanding the activity at the volcano itself, what we are also seeing the effect of at the moment are the prevailing weather conditions because we are in a northerly air stream at the moment and that is bringing the volcanic dust from Iceland down over the U.K.

VOA: standard.2010.04.15