... lead to a "stress meter" for better understanding how fault-zone stress is related to earthquakes. "The goal ... National Science Foundation's San Andreas Fault Observatory at Depth (SAFOD) near Parkfield ...
... scientists have completed a new analysis of an earthquake fault line that extends some 200 miles off ... 0 or greater along the Blanco Transform Fault Zone, and many thousands of smaller quakes. The Blanco ...
... -Ninglang fault, we used 2 well-organized clusters that occurred in the brittle-ductile transition zone ... slip rate at depth along active faults, the nests of large devastating earthquakes. The study ...
... or not the magnetic boundaries are fault boundaries, and if so, how these structures relate to the Hosgri Fault Zone.
Constraints on 3-dimensional structure from gravity and magnetic data: V. E. ...
... , et al., acquired seismic profiles across the fault zone in 1999 and in 2007. Because the fault zone extends beneath downtown San Jose, the fault may pose a significant seismic hazard to the region.
... ) stress rather than by compressional (opening and closing) stress is more consistent with deformation in the fault zone than with underground fluid movement, Nadeau said. The researchers' mapping of ...
... new analysis of the fault geometry near Desert Hot Springs. The refined understanding of the fault zone has implications for regional earthquake hazards and local groundwater resources, according to ...
... pore pressure measurements are critical to understanding the mechanics of active tectonic fault zones, but have previously been unavailable in the scientific ocean drilling. Successful deployment of ...
... to shear off and break into sub-parallel segments.
The researchers found evidence that subduction in the fault zone has been occurring from both the north and south sides – likely at different times ...
... for studying the physics of earthquakes.
Seismograms from small earthquakes revealed that within the fault zone there were areas of fluid-filled fractures. What caught the researchers' attention was ...
... ) and Kerry Sieh, Sharp Professor of Geology. They found that in the time between great earthquakes, some portions of the fault zone locked up while others crept along steadily, and the portions that ...
High-Resolution Models of Active Fault Zones can be downloaded via GEON Portal.
... stress has significantly increased on three major fault systems in the region. The magnitude 7.9 ... 2008, about 300 kilometers of the Longmen Shan fault zone ruptured in an earthquake that killed at least ...
... , a 6,000-km-long active fault that dives gently landward from the seafloor a couple ... flank of the Indian Ocean has been the world's most energetic fault zone lately," says the paper's co- author, ...
... A slow slip event involves the same fault motion as an earthquake, but it happens so slowly ... GPS and seismic instruments are deployed: the Cascadia fault zone (off the coast of Washington and British ...