On March 11, 2011, a magnitude 9 earthquake struck under the seabed off Japan—the most powerful quake to hit the country in modern times, and the fourth most powerful in the world since modern record keeping began. It generated ...
Earth Sciences
Mar 16, 2020
2
157
Earth's outer layer is composed of giant plates that grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. These plates also separate at undersea mountain ridges, where molten ...
Earth Sciences
Jun 5, 2019
0
283
In countless grade-school science textbooks, the Earth's mantle is a yellow-to-orange gradient, a nebulously defined layer between the crust and the core.
Earth Sciences
May 20, 2019
0
156
The Andes Mountains are the longest continuous mountain range in the world, stretching about 7,000 kilometers, or 4,300 miles, along the western coast of South America.
Earth Sciences
Jan 23, 2019
1
145
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
A Brown University study provides new evidence that the icy shell of Jupiter's moon Europa may have plate tectonics similar to those on Earth. The presence of plate tectonic activity could have important implications for ...
Earth Sciences
Dec 4, 2017
0
102
New research by Brown University geochemists provides new insights on the scale at which Earth's mantle varies in chemical composition. The findings could help scientists better understand the mixing process of mantle convection, ...
Earth Sciences
Nov 23, 2017
1
134
The environment on Titan, Saturn's largest moon, may seem surprisingly familiar: Clouds condense and rain down on the surface, feeding rivers that flow into oceans and lakes. Outside of Earth, Titan is the only other planetary ...
Space Exploration
May 18, 2017
1
185
The temperature of Earth's interior affects everything from the movement of tectonic plates to the formation of the planet.
Earth Sciences
Mar 2, 2017
2
613
Today's Earth is a dynamic planet with an outer layer composed of giant plates that grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. Others separate at undersea mountain ...
Earth Sciences
Feb 27, 2017
5
905
