In the past decade scientists have been experimenting with metamaterials, artificial materials designed with periodic internal structures to give them properties not found in natural materials. Depending on their internal ...
Earth Sciences
Apr 26, 2019
0
16
Researchers have found signs of fault displacement at well-known rock outcrops in Colorado that mark the end-Cretaceous asteroid impact that may have hurried the extinction of the dinosaurs. They will present their results ...
Earth Sciences
Apr 11, 2017
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86
For centuries people have claimed that strange behavior by their cats, dogs and even cows can predict an imminent earthquake, but the first rigorous analysis of the phenomenon concludes that there is no strong evidence behind ...
Earth Sciences
Apr 17, 2018
2
141
Buried in the shallow soft mud of a dry California lake bed, a seismometer was able to detect the tiny tilts of the ground as it was pulled up by passing dust devils. The experiment, described online November 10 in the Bulletin ...
Space Exploration
Nov 9, 2015
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117
The central Salish Sea of the Pacific Northwest is bounded by two active fault zones that could trigger rockfalls and slumps of sediment that might lead to tsunamis, according to a presentation at the 2019 SSA Annual Meeting.
Earth Sciences
Apr 24, 2019
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19
In the global aftershock zone that followed the major April 2012 Indian Ocean earthquake, seismologists noticed an unusual pattern. The magnitude (M) 8.6 earthquake, a strike-slip event at intraoceanic tectonic plates, caused ...
Earth Sciences
Apr 19, 2013
2
0
New images of ancient, underwater beach terraces around Santa Catalina Island suggest that the island is sinking, probably as a result of changes in the active fault systems around the island. At the rate that can be calculated ...
Earth Sciences
Apr 23, 2015
1
129
A bleached fringe of dead marine algae, strung along the coastlines of two islands off the coast of Chile, offers a unique glimpse at how the land rose during the 2016 magnitude 7.6 Chiloé earthquake, according to a new ...
Earth Sciences
Nov 6, 2018
0
82
A comprehensive study of faults along the north side of the Olympic Mountains of Washington State emphasizes the substantial seismic hazard to the northern Puget Lowland region. The study examined the Lake Creek-Boundary ...
Earth Sciences
Sep 28, 2017
1
19
A cluster of closely timed earthquakes over 100 years in the 17th and 18th centuries released as much accumulated stress on San Francisco Bay Area's major faults as the Great 1906 San Francisco earthquake, suggesting two ...
Earth Sciences
May 19, 2014
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