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Mount Redoubt rumbles again

...however, seismic activity picked up again. "We got a return of this stuff we call volcanic tremors," said geologist Chris Waythomas. "Think of the phenomenon that produces sound in an organ pipe." Instead of sound waves in a pipe, geologists...
Mount Redoubt steams, seismic activity eases

...Anchorage showed a plume of steam. That did not mean an eruption was pending, said U.S. Geological Survey geologist Chris Waythomas. "Seismic activity has been the same for weeks - gradually declining," he said. The cause of the steam was a...
Pavlof volcano shoots lava

...extends a couple hundred miles southeast from the volcano, which is 625 miles southwest of Anchorage, said Geologist Chris Waythomas of the Alaska Volcano Observatory.The eruption that began Monday seemed to be slowing on Saturday, but Waythomas...
Volcano's ash prompts flight cancellations

...the volcano show continuing tremors."Seismically, it's been pretty steady over the last 12 hours," geologist Chris Waythomas said late Monday morning.The abrasive ash has not risen enough to threaten international air traffic passing over...
Northwest Digest

...very light small amounts, you have to be looking for it to find it in the snow, very fine-grained stuff," said Chris Waythomas, a geologist with the U.S. Geological Survey, which helps run the Alaska Volcano Observatory. Alaska Airlines...
Dome grows in Alaska's Cleveland Volcano

...reached about 328 feet, or 100 meters, in diameter.The summit crater itself is nearly 10 times that size, said Chris Waythomas of the U.S. Geological Survey."It does this from time to time and it's a fairly small lava dome," he said...
Alaska volcano sends ash plume up to 15,000 feet

...crater at the summit of the volcano. Satellite images showed lava building and forming a dome-shaped accumulation.Chris Waythomas of the USGS said in September that lava domes form a lid on a volcano's "plumbing," including the chamber holding...
Old-timers say they're ready for possible Redoubt eruption

...deep as one-fifth of an inch in closer communities, but only slightly darkening the snow in Anchorage. Geologist Chris Waythomas said Anchorage was untouched by a 1989 explosion. But that eruption sent ash 150 miles away into the path of a KLM...
The burning question: Will Redoubt erupt?

...current information about the volcano, the potential direction of ash flow and plumes and associated hazards, said Chris Waythomas, a geologist with the USGS. The intense concern over Redoubt likely comes from its last eruption, in 1989, in...
Scientists monitor activity at Veniaminof Volcano

JUNEAU - Scientists reported increased activity at one of Alaska's largest volcanoes on Friday, but geologist Chris Waythomas said it was unrelated to the earthquake that shook the Aleutian Islands that morning.Waythomas said the increased...


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