Most people think of seismic activity as the result of movement along faults or of violent volcanic eruptions. But seismic events can have other causes, including floods and even large crowds of excited fans—such as those ...
Earth Sciences
Oct 23, 2023
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548
A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible indication of an impending eruption.
Environment
Mar 9, 2023
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9
The ground is shaking and swelling at Mauna Loa, the largest active volcano in the world, indicating that it could erupt. Scientists say they don't expect that to happen right away but officials on the Big Island of Hawaii ...
Environment
Nov 3, 2022
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40
The Volcano Alert Level (VAL) system, standardized by the United States Geological Survey (USGS) in 2006, is meant to save lives and keep citizens living in the shadow of an active volcano informed of their current level ...
Economics & Business
Mar 17, 2021
0
4
A small group of volcanic islands in Alaska's Aleutian chain might be part of a single, undiscovered giant volcano, say scientists presenting the findings Monday, 7 December at AGU's Fall Meeting 2020. If the researchers' ...
Earth Sciences
Dec 3, 2020
1
33
The string of volcanoes in the Cascades Arc, ranging from California's Mt. Lassen in the south to Washington's Mt. Baker in the north, have been studied by geologists and volcanologists for over a century. Spurred on by spectacular ...
Earth Sciences
Mar 22, 2019
0
62
Government scientists have classified 18 U.S. volcanoes as "very high threat" because of what's been happening inside them and how close they are to people.
Environment
Oct 25, 2018
4
84
Some of the clearest, most comprehensive images of the top several miles of the Earth's crust have helped scientists solve the mystery of why Mount St. Helens is located outside the main line of the Cascade Arc of volcanoes.
Earth Sciences
Sep 4, 2018
2
1188
Researchers at Washington State University and the University of Idaho have found a new way to estimate how fast magma is recharging beneath the Yellowstone supervolcano. While their findings offer no help in predicting if ...
Earth Sciences
Jun 4, 2018
0
287
Lassen Peak had been rumbling for days. Glowing hot rocks bounded down the slopes. Lava was welling up into a freshly created crater.
Environment
May 28, 2018
0
24
