A new experimental technique traces the state of a shearing fault gouge and shows for the first time how friction of a fault surface can change as a function of varying normal stress.
Editors’ Highlights
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Extending the Envelope for Known Safe Locations in Space
When unattached electrons collide with spacecraft, the build-up of electric charge can cause malfunctions, but recent observations model near-Earth regions that are likely safe zones.
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Linking Regional Weather and Climate to Remote Events
A new index for quantifying regional sensitivities to the influence of periodic events.
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Shallow Low Frequency Tremors in Japan Trench
A new seafloor seismic network detected low-frequency tremor on the subduction zone interface offshore northern Japan, indicating regions of slow slip in close proximity to shallow megathrust events.
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Diagnosing Soil Moisture Impacts on Model Energy Fluxes
Do climate models truthfully mimic how drying soil affects land-surface budget partition?
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Creating Icebergs in Ocean Models Coupled to Ice Shelves
Modeling icebergs as Lagrangian elements held together by numerical bonds provides insights into coupled exchanges of heat, freshwater, and momentum between large icebergs and the ocean.
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Pacific Carbon Ages During Long Journey Along Ocean Floor
The radiocarbon signal of DOC with depth across the Pacific Ocean basin effectively supports a number of important theories that have been suggested over the years.
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Modeling Tsunamis with Social Media
Video footage gathered from social media is used to reconstruct the timing and likely source(s) of the tsunami generated by the 2018 Palu earthquake.
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Crystals Connect Bubbles in Explosive Magmas
Hydrous silica-rich magmas can degas through connected bubble pathways when as little as 20% crystals are present, influencing transitions from explosive, Vulcanian-style eruptions to lava effusion.
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On the Prospect of Ancient Metallic Volcanism on Asteroids
There is a possibility of ancient volcanism on metallic asteroids, a new type of volcanism that is not yet observed, though the Psyche mission to the asteroid Psyche may change that soon.