Volcano

The lava lake at Kilauea's summit has been receding and that has scientists worried.

Satellite imagery is helping scientists track fissures and gas emissions during the eruption.

The 2010 eruption of Merapi volcano in Indonesia is the deadliest in the 21st century, killing nearly 400 people.

Dramatic photos show lava flows consuming cars and homes in residential areas on Hawaii's Big Island.

Hawaii's civil defense service said 26 homes had been destroyed by the eruption as of Sunday evening.

Hawaii's National Guard has stepped in to help evacuations as authorities fear the lava is not slowing down yet.

Kilauea has technically been erupting since 1983 but has recently become much more active.

Hawaii county declared a state of emergency.

Volcanic ash has flattened roofs, contaminated water and corrupted crops.

Typically, this area attracts millions of tourists every year.

In 79 AD, this seven or eight year old child fled to the city's Central Baths for shelter.

The Japanese Meteorological Agency has warnings out to keep people away from the crater itself, but remotely operated news cameras can ignore them.

Scientists have never been able to separate the sound of thunder from the rest of an eruption's clatter.

Flying rocks may travel up to 2.5 miles away.

The eruption was the largest in years.

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As a warning system, it won't work everywhere, but at certain volcanoes, sounds we can't even hear could be a crucial eruption clue.

Volcano in Indonesia continues to erupt after laying dormant for hundreds of years.

The volcano is located about 45 miles away from Mexico City where almost 9 million people live.

The crystals carry a memory of environmental changes the way trees do with their rings.

One Japanese soldier has been killed and at least 11 were injured on the mountain.

Mount Mayon's gigantic explosion sent superheated lava and molten rocks crashing onto nearby villages.

Around 9,000 people have been evacuated as scientists warn the crater could turn "explosive."

Water from nearby springs had been deliberately diverted to create the illusion that the sanctuary was floating, as if on a mirror.

The concern surrounds volcanoes in the U.S., Mexico, Japan and elsewhere.

A recent study further unravels the mystery of Yellowstone's volcanic system.

The eruption lasted over eight minutes.

New England isn't known for any kind of seismic activity, especially not dangerous seismic activity.

The satellite data usually isn't accessible, since commercial companies help gather it, but for emergency management, they're making an exception.

"Man, the changes would be so much bigger than anything we've ever seen."