Groundwater at depths of several hundred meters or more can be hundreds of millions of years old and are often thought of stagnant and isolated from the atmosphere and the water cycle—a reason these subsurface areas are ...
Earth Sciences
Jul 20, 2022
0
98
Seismologists use waves generated by earthquakes to scan the interior of our planet, much like doctors image their patients using medical tomography. Earth imaging has helped us track down the deep origins of volcanic islands ...
Earth Sciences
Feb 4, 2019
3
418
Scientists have found a key indicator in determining whether the presence of carbon, found in the Earth's mantle, is derived from continental crust - a step toward better understanding the history of crustal formation on ...
Earth Sciences
Nov 9, 2016
0
411
The Curiosity rover has temporarily stopped work on Mars while NASA engineers investigate a short circuit.
Space Exploration
Mar 4, 2015
2
1221
(PhysOrg.com) -- A 3-D model of a volcanic explosion, based on the 1980 eruption of Mount St. Helens in Washington state, may enhance our understanding of how some volcanic explosions occur and help identify of blast zones ...
Earth Sciences
Jun 1, 2011
0
0
Researchers at the Statewide California Earthquake Center, or SCEC, are unraveling the mysteries of earthquakes by using physics-based computational models running on high-performance computing systems at the Department of ...
Earth Sciences
Feb 7, 2024
0
8
Not one but two volcanoes on the same island in Alaska's Aleutian chain were rocked by earthquakes on Friday, prompting concerns about a possible eruption.
Environment
Mar 11, 2023
0
28
As the global demand for minerals and metals continues to grow, so too does the proliferation of mine tailings—the waste materials left over when mining is complete. Tailings storage facilities, which typically remain long ...
Environment
Jul 9, 2020
1
5
Financiers and investment planners work with risk and assess it each day.
Earth Sciences
Jul 26, 2019
0
14
Anyone who digs in the earth needs a geologic map, says State Geologist Stephen Mabee at the University of Massachusetts Amherst, and now he and colleagues have finished a federal-state collaboration that began 81 years ago ...
Earth Sciences
Mar 27, 2019
0
3
