"Rising and falling sea levels over relatively short periods do not indicate long-term trends. An assessment of hundreds and thousands of years shows that what seems an irregular phenomenon today is in fact nothing new," ...
Earth Sciences
Jan 26, 2010
31
1
Volcanoes erupt when magma rises through cracks in the Earth's crust, but the exact processes that lead to the melting of rocks in the Earth's mantle below are difficult to study.
Earth Sciences
Jul 6, 2017
0
360
(Phys.org) —The Isabella anomaly—indications of a large mass of cool, dehydrated material about 100 kilometers beneath central California—is in fact a surviving slab of the Farallon oceanic plate. Most of the Farallon ...
Earth Sciences
Mar 18, 2013
3
0
A new study suggests that plate tectonics—a scientific theory that divides the earth into large chunks of crust that move slowly over hot viscous mantle rock—could have been active from the planet's very beginning. The ...
Earth Sciences
Sep 26, 2018
0
350
At the boundaries between tectonic plates, narrow rifts can form as Earth's crust slowly pulls apart.
Earth Sciences
Feb 7, 2022
1
327
A new understanding of a fault that caused a deadly 7.8 magnitude earthquake can help scientists better understand where and when the next big one will hit.
Earth Sciences
Nov 12, 2019
2
174
Scientists use tiny minerals called zircons as geologic timekeepers. Often no bigger than a grain of sand, these crystals record chemical signatures of the geological environment where they formed. In a new study led by scientists ...
Earth Sciences
Apr 3, 2024
1
109
(Phys.org)—New research sheds light on how and when the modern day continents began to form. Researchers from the University of Bristol analyzed radio isotope abundances in 13,000 samples of continental crust of varying ...
A large crack, stretching several kilometres has made a sudden appearance recently in south-western Kenya, as reported by BBC news.
Earth Sciences
Apr 5, 2018
0
81
It may seem unlikely that a large earthquake would take place hundreds of kilometers away from a tectonic plate boundary, in areas with low levels of strain on the crust from tectonic motion. But major earthquakes such as ...
Earth Sciences
Apr 22, 2015
0
36
