After analyzing the seismic waves produced by small underground chemical explosions at a test site in Vermont, scientists say that some features of seismic waves could be affected by the amount of gas produced in the explosion.
Earth Sciences
Sep 14, 2015
0
15
Computer simulations of ground shaking which replicates the historic, destructive 1811-1812 New Madrid seismic zone (NMSZ) earthquakes on the Tennessee-Missouri border suggest that future activity in the region could produce ...
Earth Sciences
Jul 31, 2015
0
18
The Pacific and North America plate boundary off the coast of British Columbia and southeastern Alaska is a complex system of faults capable of producing very large earthquakes. The recent 2012 Mw 7.8 Haida Gwaii and 2013 ...
Earth Sciences
Apr 6, 2015
0
38
Located in the Marmara Sea, major earthquakes along the North Anatolian Fault (NAF) system have repeatedly struck what is current-day Istanbul and the surrounding region, but determining the recurrence rate has proven difficult ...
Earth Sciences
Mar 30, 2015
1
19
The deep injection of wastewater underground is responsible for the dramatic rise in the number of earthquakes in Colorado and New Mexico since 2001, according to a study to be published in the Bulletin of the Seismological ...
Earth Sciences
Sep 15, 2014
0
0
The magnitude of the 2011 Tohoku quake (M 9.0) caught many seismologists by surprise, prompting some to revisit the question of calculating the maximum magnitude earthquake possible for a particular fault. New research offers ...
Earth Sciences
Sep 15, 2014
0
0
In the global aftershock zone that followed the major April 2012 Indian Ocean earthquake, seismologists noticed an unusual pattern – a dynamic "stress shadow," or period of seismic silence when some faults near failure ...
Earth Sciences
Mar 11, 2014
0
0
With its coastal bluffs, roller coaster hills and soggy weather, Seattle is primed for landslides even when the ground isn't shaking. Jolt the city with a major earthquake, and a new study from the University of Washington ...
Earth Sciences
Dec 19, 2013
0
0
New evidence suggests the 1906 earthquake ruptured the San Andreas Fault in a single trace through Portola Village, current day Town of Portola Valley, and indicates a revised location for the fault trace.
Earth Sciences
Aug 2, 2013
0
0
Colombia sits atop a complex geological area where three tectonic plates are interacting, producing seismicity patterns that have puzzled seismologists for years. Now seismologists have identified the "Caldas tear," which ...
Earth Sciences
Jun 6, 2013
0
2
