A UAF researcher is working to make monitoring tremors in volcanoes less time consuming.
ANCHORAGE, Alaska - Alaska has more than 130 volcanoes. Of those, 54 have been active in recorded history — about 260 years.
“We have a lot of people flying over the arc, about, I believe, more than 50,000 a day,” said Darren Tan, graduate student researcher with the University of Alaska-Fairbanks Geophysical Institute. “And so it’s really paramount that we keep a good track of unrest at our Alaska volcanoes and seismicity or ground motion is one primary way that we do so.”
“They usually hint at some subsurface unrest that could be a fluid migration, magma-filled cracks kind of resonating, or even like a really small — but rapid fire — earthquakes,” Tan said. “It’s still being debated today what the mechanism behind tremor is, what we do know is that it’s indicative of some type of unrest or activity.”
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