Scientists confirm submarine volcanic eruption 300 miles off the coast of Washington State – massive ‘quiet’ lava burst
TheExtinctionProtocol.com
April 30, 2015
SEATTLE – More than 80 scientists from around the world gathered in Seattle last week to discuss a thrilling development: For the first time, seafloor instruments were providing a real-time look at the most active, submarine volcano off the Northwest coast — and all signs indicated it might erupt soon. But even the researchers most closely monitoring Axial Seamount were stunned by what happened next. Beginning Thursday, April 23 — the day after the workshop ended — the new sensors recorded 8,000 small earthquakes in a 24-hour period. The volcano’s caldera, which had been swelling rapidly from an influx of magma, collapsed like a deflated balloon. “All the alarm bells were going off,” said Oregon State University volcanologist Bill Chadwick, who along with a colleague predicted last year that the volcano would erupt in 2015. “It was very exciting.”
Scientists are still debating whether to describe what transpired as an eruption, which means molten rock flowed onto the seafloor. No instruments were destroyed and there was no obvious temperature spike, so the magma might have oozed into subterranean fissures, forming what’s called a dike. Chadwick is among those who suspect lava did burst out, probably north of where the new instruments are clustered. “This was a major event,” he said. “A lot of magma moved, and that makes a lot of us think it had to erupt somewhere.” The only way to find out for sure is to visit the site with a research vessel, which he and his colleagues will do this summer. But despite the ambiguity, the ability to monitor the submarine upheaval as it unfolded marks a major milestone for the United States’ first underwater observatory. Operated by the University of Washington and completed last fall, the $200 million network includes 600 miles of coaxial cable on the seafloor that powers and delivers data from scores of seismometers, tilt meters, microbial samplers and other instruments.
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