Articles tagged with Plate Tectonics
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A hidden fault under Marin County, California, could significantly increase the earthquake risk in the San Francisco Bay Area. Researchers believe that a blind thrust fault, which is difficult to detect until an earthquake occurs, may be transferring motion from the northern Hayward fault to the San Andreas fault.
Scientists are conducting an experiment to gather information about the deep underlying structures of the San Andreas fault line using a highly sensitive gravity instrument. The goal is to affordably gather data and compare future surveys to track changes in the shallow crust beneath the surface.
Scientists have discovered a unique bi-modal distribution of particles in noctilucent clouds, which may be caused by atmospheric gravity and tidal waves. The San Andreas Fault Observatory project aims to drill into the fault zone to better understand earthquake generation and faulting processes.
Researchers found evidence of a failed rift in the ancient continent Nunavutia, dating back 3.9 billion years, with minerals suggesting significant diamond exploration potential. The discovery sheds light on Earth's history and evolution, offering insights into plate tectonics in the Archean era.
Researchers used seismic signals and computer analysis to derive outlines of possible secondary faults in the San Andreas Fault zone. The study's findings suggest that continued drilling will encounter significant structures before reaching the fault zone.
Researchers detected physical changes in faults using seismic data from the Parkfield experiment. The study provided evidence for structural changes in fault zones that can be viewed with active seismic monitoring systems.
A minority view in geology suggests all oceans were closed and the Earth's radius was smaller pre-Jurassic. The study, published in Journal of Biogeography Volume 30 Issue 10, supports this idea.
Researchers have made key findings about the San Andreas fault system, predicting major earthquakes within 30 years for certain areas. The study, which analyzed paleoseismic data from 10 sites, suggests that at least 120 miles of the southernmost section of the fault may rupture in a large earthquake of magnitude 7.6 to 7.8.
Researchers have made significant discoveries about the San Andreas Fault using a new technique for seismic imaging. The study has provided valuable information on the properties of rocks near the surface and the deep fault line, shedding light on the potential risks and opportunities associated with drilling through the fault.
Studies of the Eastern California Shear Zone reveal significant temperature and heat flow differences between sides of a strike slip fault, leading to unequal ground movement during earthquakes. This discovery provides a more accurate method for modeling earthquake data, allowing computer models to better fit ground reality.
Researchers found a significant difference in movement on each side of the Eastern California Shear Zone, with one side moving more than the other due to varying heat flow properties. This discovery provides a more accurate method for modeling earthquake data and could be applicable in many places.
Geochemists found high-pressure fluids from the Earth's mantle weaken the San Andreas Fault by acting as a lubricant, contradicting previous models. The discovery raises questions about the structure of the fault and potential regional decollements that extend far beyond the Sierra Nevada.