Earth’s magnetosphere controls ionospheric total electron content modulation via plasma wave-induced electron loss impacting GPS spatial location determination.
Editors’ Highlights
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New Empirical Model of the Flux in the Magnetosheath
A new study presents a model that reconstructs the plasma flux in the Earth’s magnetosheath.
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Imaging Magma from Afar
Reservoirs of magma and fluids in the crust create gravity anomalies detectable by altimetry, which can help find submarine volcanoes and provide key insights into their depth, shape and volume.
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Rewinding the Fault: Stress Perturbations Promote Back-Propagating Ruptures
Free surface reflection and fault geometric asperities can excite backward propagation in the form of an interface wave or high-order re-rupture.
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Magma Diversity in Iceland
Iceland’s recent basalt eruptions originated at the crust-mantle boundary and show chemical variability over remarkably short timescales of weeks, suggesting exchanges between diverse magma sources.
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Past Fracture Damage Can Inhibit Earthquake Slip
Around the surface rupture of the 2008 Wenchuan earthquake, a new study documents an anti-correlation between pre-existing fracture damage and earthquake slip – implying that damage inhibited slip.
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Diverse Seismic Response in Hectometer-Scale Fracture System
An underground experiment with multi-stage stimulations reveals diverse seismic responses within a complex hectometer-scale fracture network, shedding light on induced seismicity behaviors at field scale.
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Logjams Promote Floodplain Complexity and Hydraulic Resistance
Using a new model, scientists compare logjam hydraulic impact across 37 reaches observed over 11 years in the Colorado Rockies.
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What Research Supports Climate Resilience? Ask the Community!
Co-production of research activities to support the Philadelphia region in climate resiliency was developed through a Climate Resilience Research Agenda involving over 60 community organizations.
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120 Years of Geodetic Data on Kīlauea’s Décollement
A new study explores the deformation and stress changes of Kīlauea’s décollement from 1898 to 2018 by collating an unprecedented 120 years of geodetic data.