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Monday, October 3, 2022

Margaret Mangan Wants Californians to Know — and Love — Their Backyard Volcanoes

Margaret Mangan didn’t sleep well in the weeks following the Ridgecrest earthquakes. The July shaking triggered a swarm of smaller tremors in the nearby Coso Volcanic Field, a cluster of lava domes and cinder cones at the northern end of the Mojave Desert. And it was Mangan’s job to watch for a possible eruption.

“We were pretty much on 24/7 vigilance,” said Mangan, the longtime scientist-in-charge of the U.S. Geological Survey’s California Volcano Observatory.

For several weeks, she personally monitored thousands of quakes via an automated alert system that pinged her phone at all hours. Occasionally, she had to wake a colleague in the middle of the night to make sure the shaking pattern didn’t point to rising magma.

Read more at the Los Angeles Times

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