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
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
0
548
Archaeologists have uncovered a stone tool at an ancient rock shelter in the high desert of eastern Oregon that could turn out to be older than any known site of human occupation in western North America.
Archaeology
Mar 5, 2015
2
198
Where do the tremendous amounts of material that are ejected to from huge volcanic calderas during super-eruptions actually originate?
Earth Sciences
Oct 30, 2014
1
0
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
When Mount St. Helens blew its top in 1980, it wasn't a surprise that it happened, but even today the extent of the damage is hard to fathom. The eruption knocked down 100-foot trees like matchsticks and killed just about ...
Ecology
Nov 1, 2010
1
0
Volcanologists are gaining a new understanding of what's going on inside the magma reservoir that lies below an active volcano and they're finding a colder, more solid place than previously thought, according to new research ...
Earth Sciences
Jun 15, 2017
1
190
Volcanic eruptions such as Mount St. Helens' in 1980 show the explosiveness of magma moving through the Earth's crust. Now geologists are excited about what uplifted granite bodies such as Yosemite's El Capitan say about ...
Earth Sciences
Jul 10, 2017
2
120
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
Enormous volcanic eruptions with potential to end civilizations may have surprisingly short fuses, researchers have discovered.
Earth Sciences
May 30, 2012
0
0
