An investigation of small-scale spatial variability in earthquake ground motions helps to quantify the uncertainty of ground motions in probabilistic seismic hazard analysis.
Journal of Geophysical Research: Solid Earth
Posted inEditors' Highlights
Real-time Ground Motion Estimation for Large Earthquakes
Advanced computing technology can be used to forecast ground shaking from earthquakes and provide an early warning in real time.
Posted inEditors' Highlights
Uncertainty Propagation in Paleomagnetic Data Quantified
In classic paleomagnetic data processing uncertainties are calculated at a single level only, but there is now a more lucid way to include error propagation.
Posted inEditors' Highlights
Olivine Micropillars Reveal Shallow Lithosphere Rheology
Micrometer scale investigation of the rheological properties of olivine in pressure and temperature conditions corresponding to the shallow lithosphere.
Posted inResearch Spotlights
Social Media Helps Reveal Cause of 2018 Indonesian Tsunami
Videos from Twitter and YouTube helped scientists tease out the physical mechanisms that generated the large tsunami in Palu Bay after a magnitude 7.5 earthquake.
Posted inEditors' Highlights
Fine-scale Structure Mapped by Body Waves Extracted from Noise
A novel processing scheme was used to extract refracted body waves from ambient seismic noise and investigate the small-scale structure around a fault at Long Beach, California.
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The Ability of Pyroclastic Flows to Generate Tsunamis
Lab experiments of fluidized granular flows entering the water shed light on the dynamics of tsunami generation by fast-moving, pyroclastic density currents at volcanic islands or coastal volcanoes.
Posted inEditors' Highlights
The Other, Deeper, South American Flat Slab
Tomographers trace the slab subducting beneath South America into the lower mantle, providing the most complete picture of structure beneath the continent to date.
Posted inEditors' Highlights
Earthquake-coda Tomography Boosts Illumination of the Deep Earth
A new tomographic method based on correlations of seemingly chaotic earthquake coda waves yields otherwise unobservable arrivals, thus greatly improving illumination of the deep Earth.
Posted inEditors' Highlights
Volcano Monitoring Goes Offshore
Offshore observations by cabled ocean-bottom pressure recorders have revealed details of the 2015 eruption of Axial Seamount submarine volcano in the Pacific Ocean.