By combining models of magnitude 9 to 9.2 earthquakes on the Cascadia Subduction Zone with geological evidence of past coastal changes, researchers have a better idea of what kind of megathrust seismic activity was behind ...
Earth Sciences
Oct 29, 2019
0
724
Scientists from Tokyo Metropolitan University and Ritsumeikan University have found a link between the "roundness" distribution of tsunami deposits and how far tsunamis reach inland. They sampled the "roundness" of gravel ...
Environment
Aug 26, 2019
0
10
Nearly 1,800 miles below the earth's surface, there are large odd structures lurking at the base of the mantle, sitting just above the core. The mantle is a thick layer of hot, mostly plastic rock that surrounds the core; ...
Earth Sciences
Sep 21, 2018
6
103
With four years of data from 268 seismometers on the ocean floor and several hundred on land, researchers have found anomalies in the upper mantle below both ends of the Cascadia Subduction Zone. They may influence the location, ...
Earth Sciences
Jul 25, 2018
0
3462
A scientific team has discovered the geological footprint of earthquakes and tsunamis that affected the Aysén region (southern Chile) up to 9,000 years ago. This new study improves the assessment of seismic hazard in a wide ...
Earth Sciences
Mar 7, 2018
0
188
New research reveals that mysterious pockets of earthquake activity in the middle of North America all have one thing in common: Earth's crust in these zones underwent significant deformation hundreds of millions of years ...
Earth Sciences
Dec 12, 2017
0
57
More than 57,000 people have fled the surrounds of Mount Agung volcano on the Indonesian tourist island of Bali, fearing an imminent eruption, officials said Tuesday.
Environment
Sep 26, 2017
0
3
A striking finding of the 2011 Tohoku-oki earthquake (Mw 9.0) is that more than 50 meters of coseismic fault slip reached the trench axis. In addition to this, seismological studies found a clear depth-dependent variation ...
Earth Sciences
Sep 5, 2017
0
7
The Eastern Tennessee Seismic Zone (ETSZ), a zone of small seismic faults stretching from northeastern Alabama to southwestern Virginia, may have generated earthquakes of magnitude 6 or greater within the last 25,000 years, ...
Earth Sciences
Jun 26, 2017
0
156
Stock traders have long used specialized trackers to decide when to buy or sell a stock, or when the market is beginning to make a sudden swing. A new University of Washington study finds that the same technique can be used ...
Earth Sciences
Mar 28, 2017
0
110
