Seismic waves are helping researchers uncover the mysterious subsurface history of the Tibetan Plateau, possibly lending insight to future earthquake activity in the region.
Earth Sciences
Jul 30, 2018
0
208
When an earthquake strikes, nearby seismometers pick up its vibrations in the form of seismic waves. In addition to revealing the epicenter of a quake, seismic waves can give scientists a way to map the interior structures ...
Earth Sciences
Mar 14, 2018
0
138
The Atlantic Ocean was born roughly 200 million years ago when the supercontinent Pangea began to break apart. As continental crust stretched and fractured, oceanic crust took its place. To investigate this rifting process, ...
Earth Sciences
Jan 25, 2022
2
835
Carbonates are a group of minerals that contain the carbonate ion (CO32-) and a metal, such as iron or magnesium. Carbonates are important constituents of marine sediments and are heavily involved in the planet's deep carbon ...
Earth Sciences
May 15, 2015
0
1281
3,200 miles beneath Earth's surface lies the inner core, a ball-shaped mass of mostly iron that is responsible for Earth's magnetic field. In the 1950's, researchers suggested the inner core was solid, in contrast to the ...
Earth Sciences
Oct 6, 2021
0
108
Researchers have found evidence of a potential "ocean's worth" of water deep beneath the United States.
Earth Sciences
Aug 22, 2014
3
1
Scientists have developed a method to estimate weakness in the Earth's outer layers which will help explain and predict volcanic activity and earthquakes.
Earth Sciences
Sep 29, 2016
0
291
On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to the north of Australia, garnet sand reveals an important geologic discovery. Similar to messages in bottles that ...
Earth Sciences
Jan 14, 2021
2
127
Rifting is one of the fundamental geological forces that have shaped our planet. Were it not for the stretching of continents and the oceans that filled those newly created basins, Earth would be a far different place. Yet ...
Earth Sciences
Oct 6, 2011
0
0
Seawater circulation pumps hydrogen and boron into the oceanic plates that make up the seafloor, and some of this seawater remains trapped as the plates descend into the mantle at areas called subduction zones. By analyzing ...
Earth Sciences
Feb 26, 2012
5
0
