A new analysis of thousands of very small earthquakes in the San Bernardino basin suggests that the unusual deformation of some may be due to 'deep creep' 10 km below the Earth's surface, say geoscientists at UMass Amherst. They say scientists should not use the information recorded by these small earthquakes to predict loading of the nearby San Andreas and San Jacinto faults.
The sky gets a new reference frame. On Aug. 30 the International Astronomical Union adopted the International Celestial Reference Frame 3 (ICRF-3) during their general assembly in Vienna, Austria. As of Jan. 1, 2019, this reference frame has global validity. It serves for example for the orientation of GPS systems as well as the navigation of space probes.
University of Leicester research could help to predict approaching ecological catastrophes.
Some of the clearest, most comprehensive images of the top several miles of the Earth's crust have helped scientists solve the mystery of why Mount St. Helens is located outside the main line of the Cascade Arc of volcanoes.
A study of earthquakes induced by injecting fluids deep underground has revealed surprising patterns, suggesting that current recommendations for hydraulic fracturing, wastewater disposal, and geothermal wells may need to be revised.
Sparked by a suggestion from researchers at Google, Harvard scientists are using artificial intelligence technology to analyzed a database of earthquakes from around the world in an effort to predict where aftershocks might occur. Using deep learning algorithms, they developed a system that, while still imprecise, was able to forecast aftershocks significantly better than random assignment.
The timing and size of three deadly earthquakes that struck Italy in 2016 may have been pre-determined, according to new research that could improve future earthquake forecasts.
In a new study in Science Advances, researchers report that their physics-based model of California earthquake hazards replicated estimates from the state's leading statistical model.
New marine geophysical data recorded during two excursions on a French icebreaker enabled Drs. Roi Granot and Jérôme Dyment to date the ocean floor and calculate the relative motion between the Antarctic Plates and the Australian Plate. This new data revealed that Antarctica fused into one plate around 11 million years ago, roughly 15 million years later than previously assumed.
The meteor explosion was also captured by infrasonic microphones and seismometers, offering a rare chance to compare these data with satellite and ground camera images. In a report in Seismological Research Letters, a team of scientists led by Michael Hedlin of Scripps Institution of Oceanography use these data to pinpoint the time, location and height of the bolide disintegration, and to calculate an approximate yield for the explosion.