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Determination of present-day crustal deformation along the Kenyan rift system using InSAR

Fri, 01/31/2025 - 00:00
The Kenyan rift system is prone to deformation due to various geological processes and human activities, such as overexploitation of groundwater and exploitation of geothermal energy. Crustal deformation monit...

Complexity of near-surface deformation and subsurface structure of the Chihshang creeping fault-line scarp, eastern Taiwan: insights from integration of geological and geophysical data

Thu, 01/30/2025 - 00:00
The precise position and geometry of a fault and the recognition of contemporary active strands are pivotal elements for formulating regulations for earthquake fault zones and fault setbacks. The western front...

Innovative approach for modelling gravity-induced signal path variations of VLBI radio telescopes

Thu, 01/23/2025 - 00:00
Gravitationally induced deformation of the receiving unit of radio telescopes used for Very Long Baseline Interferometry (VLBI) distorts the observations and biases the deduced products. As this deformation ac...

An efficient decoupled 3-D axial anisotropic resistivity inversion for magnetotelluric data with OpenMP parallelization

Thu, 01/23/2025 - 00:00
We have developed two novel axial anisotropic inversion codes for magnetotelluric (MT) data: a full axial inversion and a decoupled axial inversion. Both codes are based on the data space Gauss–Newton inversio...

Seismicity of a relic slab: space–time cluster analysis in the Vrancea Seismic Zone

Tue, 01/21/2025 - 00:00
The Vrancea Seismic Zone (VSZ) is an atypical intermediate-depth earthquake nest located in the South-East Carpathians in Romania, often regarded as a relic slab sinking into the mantle. The origin of the slab...

Gravity gradient model of the Antarctic region derived from airborne gravity and DEM

Mon, 01/20/2025 - 00:00
In this paper, we augment airborne gravity anomaly data from Antarctica, expanding the coverage area by 10.4% based on the existing data set. These data are combined with a gravity field model to establish a m...

Humidity dependence of AE activity in sheared quartz gouges and its implication for the micromechanics of friction

Mon, 01/13/2025 - 00:00
The micromechanics of friction has been investigated from the viewpoint of the healing of real contacts. In this study, the underlying processes of friction are discussed from the viewpoint of the contact junc...

Probabilistic estimation of rheological properties in subduction zones using sequences of earthquakes and aseismic slip

Mon, 01/13/2025 - 00:00
Constraining the effective rheology of major faults contributes to improving our understanding of the physics of plate boundary deformation. Geodetic observations over the earthquake cycle are often used to e...

How geomagnetic storms affect the loss of Starlink satellites in February 2022?

Mon, 01/13/2025 - 00:00
On February 8, 2022, approximately 40 of the 49 Starlink satellites were reported to have lost altitude, leading to atmospheric re-entry. SpaceX reported that the orbital decay on Starlink satellites was consi...

Dynamically triggered seismicity in Japan following the 2024 Mw7.5 Noto earthquake

Mon, 12/30/2024 - 00:00
On January 1st, 2024, a moment magnitude (Mw) 7.5 earthquake occurred on an active reverse fault in the northern part of Noto Peninsula, being one of the largest intraplate events recorded in Japan. In previous s...

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