The b-value, which describes the fraction of large versus small earthquakes, is less sensitive to transient changes in detection threshold and may improve the detection of precursory changes.
Journal of Geophysical Research: Solid Earth
Posted inResearch Spotlights
The First Angstrom-Scale View of Weathering
Researchers observe how water vapor and liquid alter sedimentary rocks through physical and chemical processes.
Posted inEditors' Highlights
Hunting the Source of Deccan Traps Volcanism Using Seismic Waves
Seismic velocity patterns beneath the Deccan Traps region in western India reveal its volcanic history.
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An Innovative Approach for Investigating Subduction Slip Budgets
A new 3D model offers a state-of-the-art look at the full spectrum of slip behaviors in the Nankai subduction zone off Japan.
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Subduction May Recycle Less Water Than Thought
A new analysis of seismic data from the Middle America Trench suggests that previous calculations have vastly overestimated the total amount of water transported to the mantle worldwide.
Posted inEditors' Highlights
The Failure of Physics-Based Earthquake Forecasting Models
Spatial clustering of aftershocks explains why simple statistical models often outperform complex physics‐based earthquake forecasting models even if the physical mechanisms are correctly modeled.
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Antarctic Lava Yields Clues to Earth’s Past Magnetic Field
A new analysis suggests that a widely accepted approximation of ancient magnetic field strength may be less accurate for the past 5 million years than previously thought.
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How Heavy Rain and Drought Influence California Crustal Strain
New research using continuous GPS data reveals how multiyear precipitation patterns can amplify the effects of hydrological loading on crustal deformation.
Posted inEditors' Highlights
A New Picture of Seismogenesis on the Philippine Fault
Long-time series of satellite observation reveal that the creeping segment of the Philippine Fault is also capable of producing strong earthquakes, and show where these earthquakes might occur.
Posted inEditors' Highlights
Fault Related Anisotropy in the Hikurangi Subduction Zone
A new study provides the first high-resolution three-dimensional anisotropic P-wave velocity model of the shallow part of the Northern Hikurangi subduction zone offshore New Zealand.