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Originally posted by valkeryie
Does the black "stripe" on this photo look like a new lava "flow" on Mt. Saint Helens. I haven't noticed this in previous webcam photos.
VANCOUVER, Washington (AP) -- Mount St. Helens shot a steam and ash plume at least 16,000 feet into the air Monday after a large rockfall from the lava dome in the volcano's crater, scientists said.
Pilots reported the plume rose between 16,000 and 20,000 feet in the air, scientists at the Cascades Volcano Observatory said.
The rockfall coincided with a magnitude 3.1 earthquake shortly after 9 a.m. Monday at the mountain, scientists said.
Volcanologists were wondering why a lake atop a rumbling volcano on the South Pacific island of Ambae has changed colour from blue to bright red.
Mount Manaro, one of four volcanos currently active in the island nation of Vanuatu, has been showing signs of erupting for only the second time in 122 years.
Lava bubbled from a volcano in the Comoros yesterday, frightening thousands on the Indian Ocean archipelago’s largest island who feared a full-blown eruption as they waited to see where the molten rock might flow. An early morning reconnaissance flight over the crater of 2,361m Mount Karthala - one of the world’s largest active volcanoes which dominates the island of Grande Comore - gave no new clues.
He said the lava was covering an area about 3sq km.
Lopevi volcano in Vanuatu is continuing to cause havoc on surrounding islands, while several other volcanoes are also threatening.
The national disaster office says it is not able to reach one of two villages on Paama Island which has been badly affected by ash from Lopevi over the past two weeks.
YOGYAKARTA, Indonesia -- Activity at Indonesia's Mount Merapi volcano has tripled since Saturday's earthquake, and a large eruption is still possible, a volcanology official said Monday.
"The earthquake has caused instability in the lava dome," said Subandriyo, chief of the Merapi volcanology and monitoring office, who goes by a single name.
"There is still a chance that a big eruption might occur," he said.
The rumbling volcano spit out lava and hot clouds Monday morning, sending debris avalanching four kilometers down the mountain, he said.
Since Saturday's powerful nearby earthquake, the volcano has spewed hot clouds an average of 150 times a day, compared to 50 times before, he said.
01/06/2006 12:16 - (SA)
Jakarta - Indonesia's Mount Merapi volcano spilled lava and heat clouds for a sixth consecutive day on Thursday, sending trails of molten rock down its western slope for the first time, scientists said.
In the first six hours of Thursday, Merapi sent 80 lava trails spilling down its slopes, some reaching down two kilometres, said Tri Yani of the volcanology office in Yogyakarta, located south of the simmering peak.
"It is the first time that lava was seen flowing to the west," Yani said, adding that the volcano had also released heat clouds.
MOUNT MERAPI, Indonesia (AP) -- Indonesian officials evacuated 11,000 villagers from around Mount Merapi volcano, as lava and superheated clouds of gas poured repeatedly down its upper slopes, officials said Tuesday.
The government of nearby Magelang district mobilized more than 40 trucks and cars to evacuate about 11,000 villagers from three sub-districts near the foot of the mountain, said Edy Susanto, a district official.
Sakurajima, one of Japan's most active volcanoes, has erupted near the southern Japanese city of Kagoshima. Smoke and ash rose high above the island's northern peak 1 117m high as residents of the nearby capital of Kagoshima prefecture looked on. Over 600 000 people live in the shadow of the volcano which is only a few kilometres off the port serving Kagoshima city.
Scientists are monitoring Mount Ngauruhoe, one of New Zealand's most active volcanoes.
The volcano's alert level was raised from zero to one, and hikers were warned to stay away from the crater atop the 2,291-metre peak in Tongariro National Park.
TOKYO, Japan (AP) -- A volcano erupted in southern Japan on Wednesday, spewing a plume of smoke about 1,000 meters (3,300 feet) into the air, the Weather Agency said. There were no immediate reports of damage or injuries.
Mount Sakurajima erupted at 5:30 p.m. (0830 GMT) and registered as moderate on the agency's scale for both the sound and the strength of the tremors it caused, according to a volcano bulletin.
Originally posted by Paul
I've just had word that Merapi has blown big time. Searching for verifying sources now...
MOUNT MERAPI, Indonesia -- Indonesia's most dangerous volcano spewed a spectacular roiling cloud of hot gas and ash down its southern slope Thursday, sending more than 15,000 villagers running for safety or piling into cars and trucks, officials said.
Mount Merapi has been venting steam and ash for weeks, but the 9 a.m. (0200 GMT) burst was the largest yet, with billowing, dark gray clouds avalanching 5 1/2 kilometers (3 1/2 miles) down the mountain, said Sugiono, a government vulcanologist.
Originally posted by Vitchilo
Last time it erupted, it unleashed 2800 cubic km of magma and it was the largest eruption in 2 millions years... Yellowstone is only 1000km3... Toba is almost 3 times this as it is 2800km3...
So let's see the next earthquake in this region, could be the last one we see.
Part of the lava dome on Mount Merapi has collapsed, easing the pressure that threatened to trigger a full-blown eruption, according to a vulcanologist monitoring the Indonesian volcano. Antonius Ratdomopurbo said that a large gas blast, the biggest of the year on the country’s most dangerous volcano, brought down a section of its dome. The blast allowed red-hot lava and scorching gas to escape into a newly formed crater, relieving pressure and lowering the possibility of the dome’s complete collapse, which many feared could trigger a huge eruption.