A restless volcano in northern Indonesia erupted Friday, spewing clouds of ash as high as 2 kilometers into the sky, the country's National Disaster Management Agency said.
Officials are monitoring a remote Alaska volcano that could launch an ash cloud, potentially threatening intercontinental flights.
One day after raising the alarm about a possible major eruption, authorities have lowered the alert level in and around a remote Alaska volcano.
A heightened state of alert has been issued for a remote Alaskan volcano after the detection of a drifting ash cloud, the result of what's believed to have been a lone explosion.
An Indonesian volcano erupted twice Monday, spewing thick ash clouds a day after the number of evacuees rose to 5,200.
More than 4,000 residents have been evacuated from a central Indonesian province after a volcano erupted, sending smoke high into the sky.
An ash cloud from a Chilean volcano is disrupting air travel in Australia and New Zealand once again, airlines said Wednesday.
An ash cloud from a Chilean volcano is drifting around the world for a second time, grounding flights in Australia.
An ash cloud from a Chilean volcano thinned over Australia Wednesday, freeing commercial airliners to take to the skies after grounding them this week.
An ash cloud drifting around the world for a second time after spewing from a Chilean volcano more than two weeks ago is once again grounding commercial jets and stranding passengers in Australia.
Thousands of people in southern Chile were told they could return home Sunday, some two weeks after a volcanic eruption forced them to flee.
Ash clouds from a Chilean volcano continued to cause numerous flight cancellations in Australia and New Zealand Tuesday for at least one airliner.
Ash clouds from a Chilean volcano prompted numerous flight cancellations in Australia and New Zealand on Sunday, leaving thousands of passengers stranded.
The Puyehue-Cordon Caulle volcano in Chile fills the sky with clouds of ash.
The ash cloud from a Chilean volcano reached Buenos Aires, the capital of neighboring Argentina, but was not expected to cause problems for area residents, officials said.
Parts of southern Chile remained on red alert and schools in some areas of neighboring Argentina were closed Monday after a volcanic eruption coated the countryside with ashes, authorities said.
A volcanic eruption in southern Chile Saturday shot smoke and ash miles into the sky and forced the evacuation of some 3,500 people.
Sports journalists John Cross and Begona Perez tell us who they think would be the worthy winners of the biggest club prize.
Travellers hope to get back in the air after the new volcanic ash cloud clears. CNN's Fred Pleitgen reports.
The peak of a cloud of volcanic ash that forced the cancellation of hundreds of flights has passed, Iceland's prime minister said Wednesday.
iReporter Amber Casterlin describes waking up to find everything near her Iceland hotel covered in volcanic ash.
British budget airline easyJet is preparing to test a volcanic ash detection system on a research aircraft, it says.
A cloud of ash from Iceland's Grimsvotn volcano spread toward central Europe late Tuesday, spurring German authorities to announce two airports will close and prompting British airlines to cancel hundreds of flights.
CNN's Phil Black updates disrupted travel plans as a volcanic ash cloud moves across Britain from Iceland.
Icelandic volcano ash is affecting flights in European airspace, but authorities say it is unlikely to cause the same levels of disruption triggered by a similar eruption last year.
Volcanic ash from an Icelandic eruption could reach British airspace Tuesday, sooner than previously predicted, Britain's Civil Aviation Authority warned Monday.
A volcanic eruption in Iceland forced flight cancellations and the closure of airspace over the country's four international airports, an official said Sunday.
The Grimsvotn volcano under the Vatnajokull glacier in Iceland was erupting Saturday, according to the Icelandic Meteorological Office.
Authorities in Ecuador closed schools and evacuated residents in areas near a volcano Tuesday after ashes spewing from its crater fell on homes and farms, state media reported.
Volcanologists in the Philippines are closely monitoring a volcano on Luzon Island close to the capital, Manila, after a sudden spike in seismic activity.
Up to 1,200 people have fled an active volcano in northern Indonesia, disaster officials said Monday.
Philippine seismologists issued an alert on Mount Bulusan Sunday after the Luzon Island volcano erupted twice during a 24-hour period, according to a bulletin released by the nation's volcano-monitoring agency.
Japan's Mount Shinmoe erupted again on Wednesday, spewing more lava, smoke and ash through the area, the country's meteorological agency said.
International flights to the Indonesian island of Bali were canceled Friday because of volcanic ash, according to a transportation official.
A giant ash cloud pours from Mt. Shinmoe in Kirishima, Japan.
Mt. Etna rumbles and spews lava but appears to be non-threatening to the people of Sicily, so far.
Ecuador's Tungurahua volcano erupted Saturday, sending ash and lava spewing nearly a mile into the sky.
The death toll from recent eruptions of Indonesia's Mount Merapi volcano climbed to 304 Sunday after searchers found bodies buried in the ashes on its slopes, the country's disaster coordination board said.
A survivor describes horror following the violent and deadly eruption of Indonesia's Mt. Merapi.
The death toll from recent eruptions of Indonesia's Mount Merapi volcano has climbed to 273, government officials said Wednesday.
In early November, thousands raced to escape the latest Indonesian volcano eruption, but scores were killed.
The death toll from last month's eruption of Mount Merapi rose to 242 on Sunday, Indonesia's government reported, with most of the victims killed by severe burns.
Indonesia's Mount Merapi erupted again Friday, spewing volcanic material for more than an hour, the official Antara news agency reported.
The death toll from recent eruptions of Indonesia's Mount Merapi volcano climbed to 259 on Monday, government officials said.
CNN's Guillermo Arduino explains why some volcanoes are deadlier than others.
An Indonesian volcano has killed 240 people since it started erupting in October, officials said Saturday, a day after it spewed more hot ash and sent residents fleeing.
The worst might be over on Indonesia's Mount Merapi volcano, disaster officials said Thursday.
The toll from recent eruptions of Indonesia's Mount Merapi volcano has climbed to 191 dead and 145 seriously injured, government officials said Wednesday.
Indonesia's Mount Merapi volcano continued to rumble and emit bursts of blisteringly hot gas and dust Sunday, as the death toll from recent eruptions pushed higher.
Deaths in Indonesia mounted on Saturday from the volcanic eruption spewing scorching ash and gas, and the country's leader is stationed near the scene to coordinate relief efforts.
Indonesia's Mount Merapi volcano erupted again Wednesday morning, loudly sending an ash cloud into the air, a government volcanologist said.
Indonesia's Mount Merapi volcano erupted several times Wednesday, while an earthquake struck off of the coast of Papua, far to the east of the volcano.
Indonesia's Mount Merapi started spewing hot ash clouds Monday morning, sending a 1.5-kilometer plume toward the south.
CNN's Kathy Quiano reports on Mount Merapi evacuees trying to cope with life in camps, as they wait to return home.
Indonesia's Mount Merapi erupted again Saturday, spewing hot ash clouds for more than 20 minutes followed by lava and sending nearly residents fleeing in panic for the second time in a week.
The death toll from an Indonesian volcano that exploded this week has climbed to 32, medical officials said Thursday.
CNN's Kathy Quiano describes how the eruptions at Mount Merapi are affecting Indonesia.
Indonesia's government, already beset by a killer earthquake and tsunami, moved Wednesday to help tens of thousands of residents displaced by a volcanic eruption that also claimed 29 lives.
The Mount Merapi volcano in Indonesia erupted at least three times Tuesday, forcing thousands of nearby residents to flee.
"I commend you for wanting to try the Cinder Cone trail," the park ranger said ominously at the visitor center of Lassen Volcanic National Park in Northern California.
A long-dormant volcano erupted again Tuesday in northern Sumatra, triggering strong tremors and sending bursts of hot ash into the air for the second time in a week.
A volcano erupted again in Indonesia early Friday in northern Sumatra, sending hundreds of villagers fleeing as it unleashed tremors and spewed powerful bursts of hot ash and debris.
Two people have died and more than 30,000 were displaced when a long-dormant volcano in Indonesia erupted again on Monday, officials said.
A volcano that had been inactive for more than 400 years erupted in Indonesia early Sunday, causing thousands of people to flee their homes, officials said.
Colombian authorities have issued a red alert, the highest level, for the Galeras volcano, because a non-explosive eruption occurred early Wednesday.
Four people are missing and feared dead after a volcano eruption in Indonesia, according to a National Disaster Mitigation Agency official.
The volcanic eruption in Iceland has given scientists a unique opportunity to study its effect on marine biology.
CNN's Ayesha Durgahee explains EasyJet's hi-tech plan to detect dangerous ash clouds.
British budget airline easyJet unveiled a volcanic ash detector on Friday that it says will allow aircraft to safely navigate around potentially lethal ash clouds.
A rapid Pacific submarine volcano eruption has exhaled a steam and ash cloud in the air and left a trail of debris on the surface of the water near Sarigan Island in the Northern Mariana Islands, U.S. officials said Monday.
Lava and ash from Ecuador's Tungurahua volcano forced the closure of Guayaquil Airport until Saturday afternoon, an airport spokesman said Friday.
The Icelandic volcano that has been disrupting thousands of flights with its ash plume has significantly reduced in activity, according to the Icelandic Meteorological Office.
Bryan Barnett isn't taking any chances on his World Cup trip.
New measures go into effect at midday Tuesday that will let planes fly at higher ash densities than currently permitted.
Major European airports reopened Monday after being closed overnight because of an ash cloud from a volcano in Iceland, but travel remained severely disrupted after the six-hour closure.
London's two major airports were closed Monday as a cloud of ash from a volcano in Iceland moved east into England, British air authorities said.
Two Canadian fighter jets are scrambled after a bomb threat to a Cathay Pacific flight is reported.
Airports in Ireland prepared to close overnight Saturday as a drifting ash cloud from an erupting volcano in Iceland prompted the United Kingdom's air traffic authority to close airspace over parts of Northern Ireland.
Irish authorities reopened all airports Friday after shutting them for several hours because of ash from an Icelandic volcano.
CNN's Gary Tuchman reports from Iceland on how the volcano's eruption of ash is affecting the people nearby.
Britain's Civil Aviation Authority announced that some airspace over Northern Ireland and Scotland would be closed Wednesday because ash emissions from Icelandic volcano Eyjafjallajokull grew heavier and dipped further south.
Oil prices fell amid choppy trading on Wednesday after the government's inventory report dimmed trader hopes that demand is finally rebounding.
The recent volcanic eruption in Iceland is stranding hundreds of thousands of air travelers at Heathrow Airport in the UK and other airports across northern Europe, due to its voluminous clouds of volcanic ash that can clog airplane engines and limit visibility.
CNN's Hala Gorani asks volcanologist Simon Day how long Iceland's Eyjafjallajokull volcano could remain active.
The Icelandic volcano producing the ash cloud snarling much of European air traffic has not stopped erupting. Is there any chance that flight schedules could return to normal any time soon, and does the weather forecast provide any relief? Here are some common questions and answers about the ash cloud crisis.
In the empty spot at the dinner table where Stefano Poma should be sitting, a smiling father's face beams from a laptop screen.
Parents and kids are separated because of the volcanic ash problem. CNN's T.J. Holmes reports.
CNN meterologist Chad Myers explains how the volcanic ash cloud is affecting flight patterns across Europe.
Ash emanating from a volcano in Iceland has shut airspace over Norway.
Volcanic ash clouds are a serious hazard to aviation, reducing visibility, damaging flight controls and ultimately causing jet engines to fail.
Hundreds of people have been evacuated as a volcano in Iceland erupted beside a glacier.
Hundreds of people were evacuated Sunday amid flood concerns after a long-dormant volcano erupted beneath a glacier in south Iceland.
A climber who fell into the crater of Mount St. Helens volcano on Monday has been found dead, an official said Tuesday.
Rescue crews in Washington state will try again Tuesday to get to a hiker who fell 500 feet into the crater of Mount St. Helens volcano.