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.
seismology
Posted inScience Updates
Discerning Structure and Seismic Hazards in the Sikkim Himalayas
A dense seismic network in operation since 2019 will provide new insights into the tectonics of seismically active Himalayan regions.
Posted inNews
A New Understanding of the Mid-Atlantic Ridge and Plate Tectonics
The first seismic data obtained directly from the Mid-Atlantic Ridge suggest that upwelling may contribute to seafloor spreading.
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.
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 inNews
Students Monitor Campus Noise in Seismic Silence
Researchers are engaging their students with low-cost seismology research to monitor local noise on campus.
Posted inNews
Geologists to Shed Light on the Mantle with 3D Model
The model, which will incorporate 227 million surface wave measurements, could help with everything from earthquake characterization to neutrino geosciences.
Posted inScience Updates
A Pandemic Pivot in Earth Science Outreach and Education
For some educators, restrictions imposed by COVID-19 created space for innovation and affirmed the value of online tools and learning environments for increasing access to and engagement with science.
Posted inNews
Laike Mariam Asfaw (1945–2020)
An ambassador for African geosciences and for Ethiopia, this celebrated geophysicist will be remembered for his contributions in research as well as his steadfast support of colleagues.
Posted inResearch Spotlights
Southern California’s Crustal Motion Tells of Earthquake Hazards
Precise measurements of the Earth’s vertical surface motion help to elucidate the hazards of faults in an earthquake-prone region.