A 4D back-projection method revealed that aftershocks of the 2015 earthquake beneath the Ogasawara (Bonin) Islands occurred as deep as about 750 kilometers.
Seismology
Posted inScience Updates
Slipping and Locking in Earth’s Earthquake Factories
Geodetic observations collected during back-to-back decadal research campaigns have revealed crucial new insights into the start–stop and slow-motion behavior of subduction zones.
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
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
New Volcano, Old Caldera
Researchers suggest a magma chamber sits within an old submarine caldera structure that extends into the mantle. Nearby, a new underwater volcano emerged with a flurry of seismicity.
Posted inResearch Spotlights
Space-Based Data Expand Understanding of Crustal Deformation
Researchers used the largest GPS data set yet to examine deformation of the crust across continental China and its implications for tectonic activity.
Posted inScience Updates
Implications of a Supervolcano’s Seismicity
Last year’s rumblings beneath New Zealand’s Taupō supervolcano, the site of Earth’s most recent supereruption, lend new urgency to research and outreach efforts in the region.
Posted inFeatures
Seismic Sensors in Orbit
Navigation satellites are enabling high-precision, real-time tracking of ground displacements, supplementing traditional methods for monitoring and assessing earthquakes.
Posted inFeatures
A Modern Manual for Marsquake Monitoring
Thanks to some extraordinary engineering, the InSight mission has led the new field of Martian seismology to the development of a new planetary magnitude scale in less than a year.
Posted inScience Updates
Exposing Los Angeles’s Shaky Geologic Underbelly
Current calculations might underestimate the susceptibility of Los Angeles to earthquake shaking, so researchers and volunteers are deploying seismic networks near the city to remedy a data shortage.