Fault Zone Current Events | Fault Zone News
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California's central coast earthquake hazards: New information about recently identified faults
Seismologists are re-evaluating the earthquake potential of the Central Coast, a very complex tectonic region located west of the San Andreas Fault, between Monterey Bay and the Western Transverse Ranges. view more (2009-04-09)
Volcano-like tremors detected deep within Earth's crust near San Andreas
Tremors within the Earth are usually-but not always-related to the activity of a volcano. Now, such vibrations have been recorded nowhere near a volcano, but at a geologic observatory at the San Andreas Fault. view more (2006-04-13)
San Jacinto fault is younger than thought, rises in seismic importance
A detailed study of sedimentary rocks exposed along a portion of southern California's San Jacinto fault zone shows the fault to be no older than 1.1 million to 1.3 million years and that its long-term slip rate is probably faster than previously thought. view more (2006-10-24)
Eastern California shear zone puzzles seismologists
Residents and seismologists in Northern California focus on the San Andreas Fault, but a Penn State researcher thinks more questions should be asked about the Eastern California Shear Zone, a fault that ends or dissipates without a clear connection. view more (2005-10-18)
Why do earthquakes stop?
The underlying structure of a fault determines whether an earthquake rupture will jump from one fault to another, magnifying its size and potential devastation. view more (2008-02-06)
Scientists obtain core samples from subsea fault system off Japan
The third expedition of the Integrated Ocean Drilling Program's Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) completed its mission off the Kii Peninsula today. view more (2008-02-06)
Discovery sheds new light on cause of earthquakes
Research at the University of Liverpool into a large fault zone in the Atacama Desert in northern Chile has produced new insight into how fluid pressure can cause earthquakes. view more (2006-12-14)
Earthquake faults lost and found @ the London `Catastrophes` conference
Three great earthquakes during the winter of 1811-1812 struck eastern North America, causing widespread destruction in the northern Mississippi river valley, and even causing the Mississippi River to divert. Though the estimated magnitudes of the earthquakes are between 7 and 8+, no definitive surface rupture has ever been identified. Instead,... view more... (2002-08-17)
Los Angeles enjoying 1,000 year seismic lull
The Los Angeles basin appears to be in a seismic "lull" characterized by relatively smaller and infrequent earthquakes, according to a study in the September issue of Geology. view more (2007-08-24)
Earthquake in Illinois could portend an emerging threat
To the surprise of many, the earthquake on April 18, 2008, about 120 miles east of St. Louis, originated in the Wabash Valley Fault and not the better-known and more-dreaded New Madrid Fault in Missouri's bootheel. view more (2008-04-25)
New liquefaction hazard maps of Santa Clara Valley, Northern California
New hazard maps for communities from San Jose to Palo Alto in Northern California delineate the probability of earthquake-induced liquefaction, based on three scenarios: a magnitude 7.8 on the San Andreas Fault comparable to the 1906 event, a magnitude 6.7 on the Hayward Fault comparable to the 1868 event, and a magnitude 6.9 on the Calavaras... view more... (2009-01-27)
Trapped water cause of regular tremors under Vancouver Island: UBC researchers
University of British Columbia researchers are offering the first compelling evidence to explain regular tremors under Vancouver Island. view more (2009-01-05)
Loma Prieta Fault Not So Weak?
A new study adds to evidence that the fault responsible for the 1989 Loma Prieta earthquake is not as unusually weak as had been thought. view more (2007-12-20)
New Madrid fault system may be shutting down
The New Madrid fault system does not behave as earthquake hazard models assume and may be in the process of shutting down, a new study shows. view more (2009-03-16)
San Andreas earthquake observatory achieves milestone as drillers penetrate the active fault zone
The San Andreas Fault Observatory at Depth (SAFOD) reached a significant goal on Aug. 2 when scientists drilled into a seismically active section of the fault approximately two miles below the surface of the Earth. view more (2005-08-04)
Scientists return from first ever riser drilling operations in seismogenic zone
he Deep-sea Drilling Vessel CHIKYU successfully completed riser drilling operations on Aug. 31, for IODP Expedition 319, Stage 2 of the Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE). view more (2009-09-08)
Slip rate along the Lijiang-Ninglang fault zone estimated from repeating microearthquakes
The China Digital Seismic Network (CDSN) provides excellent opportunities to quantify the kinematics and characterize the dynamics of the active fault systems in China. view more (2008-12-22)
Ocean-drilling expedition cites new evidence related to origin and evolution of seismogenic faults
New research about what triggers earthquakes, authored by Michael Strasser of Bremen University, Germany, with colleagues from the USA, Japan, China, France, and Germany, will appear in the Aug. 16 2009 issue of Nature Geoscience. view more (2009-08-18)
UK should introduce a no-fault compensation system
It is time for the UK to introduce a no-fault compensation system in dealing with clinical negligence, argues a senior doctor in this week’s BMJ. view more (2003-05-07)
Earthquake 'pulses' could predict tsunami impact
The magnitude 9.2 earthquake that triggered a devastating tsunami in the Indian Ocean in December of 2004 originated just off the coast of northern Sumatra, but an "energy pulse" - an area where slip on the fault was much greater - created the largest waves, some 100 miles from the epicenter. view more (2005-12-05)
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