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
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
Earthquake researchers have now identified a 30 kilometers long and ten kilometers deep area along the North Anatolian fault zone just south of Istanbul that could be the starting point for a strong earthquake. The group ...
Earth Sciences
Jun 18, 2013
0
0
A popular view among geophysicists is that large amounts of water are carried from the oceans to the deep mantle in "subduction zones," which are boundaries where the Earth's crustal plates converge, with one plate riding ...
Earth Sciences
Oct 18, 2010
3
0
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
(PhysOrg.com) -- When small earthquakes shake the central U.S., citizens often fear the rumbles are signs a big earthquake is coming. Fortunately, new research instead shows that most of these earthquakes are aftershocks ...
Earth Sciences
Nov 4, 2009
13
0
Using data from NASA's InSight Lander on Mars, Rice University seismologists have made the first direct measurements of three subsurface boundaries from the crust to the core of the red planet.
Space Exploration
Aug 5, 2020
0
380
Subduction zones, where a slab of oceanic plate is pushed beneath another tectonic plate down into the mantle, cause the world's largest and most destructive earthquakes. Reconstructing the geometry and stress conditions ...
Earth Sciences
Dec 27, 2021
2
111
An international team led by the University of Minnesota Twin Cities has, for the first time, accurately determined the age and formation process of the East Anatolian fault, which runs from eastern to south-central Turkey ...
Earth Sciences
Jun 28, 2023
0
198
People who were killed, injured or bereaved in the 2008 Sichuan earthquake had the cruel misfortune to be victims of an event that probably occurs just once in four millennia, seismologists said on Sunday.
Earth Sciences
Sep 27, 2009
3
0
