#ecsmonday

New #open-source Python tool for #fault analysis! Gayrin et al. (DE/US/IT) present #Fatbox - semi-automated fault extraction, temporal tracking, and geometric analysis from #DEMs, numerical #models, and lab #experiments

doi.org/10.5194/se-17-555-2026

#structuralgeology #paperalert

#ecsmonday

How does deep #burial permanently change #claystone? Burchartz et al. (DE) show max. burial temps from 83–169°C reduce #porosity from 18% to 5% and #permeability by 10× - but #overpressure can reverse the trend

doi.org/10.5194/se-17-485-2026

#LowerSaxonyBasin #paperalert

#ecsmonday

How does tectonic #stress control fracture patterns during #hydration? McElwee et al. (US/JP) show that stress #orientation determines whether #branching or #spalling fractures form-guiding fluid flow in oceanic #lithosphere

doi.org/10.5194/se-17-537-2026

#numericalmodeling #paperalert

#ecsmonday

Two blocks, one #fault: Yang et al. (CN/UK/ID) find sharp #Moho depth variations across the #Palu–Koro fault, confirming it juxtaposes distinct crustal blocks with different tectonic histories

doi.org/10.5194/se-17-453-2026

#crustalstructure #tectonics #Sulawesi #paperalert

#ecsmonday

Strongly coupled volcanic arc 🌋 meets weakly coupled subduction 🌊: Portela et al. (ES) find slab coupling Φ≈0.2 offshore El Salvador, strengthening westward into Guatemala

doi.org/10.5194/se-17-369-2026

#subduction #plateboundaries #geohazards #paperalert

#ecsmonday

Where do induced #earthquakes occur? Schwarz et al. (CH) show seismicity clusters in #intermediate-velocity zones during #geothermal stimulation — avoiding both intact rock & heavily fractured zones

doi.org/10.5194/se-17-347-2026

#inducedearthquakes #EGS #fractures #paperalert

#ecsmonday

Which type of #orogenic inheritance controls #rifting? Li et al. (DE) find #structural inheritance (thrust faults) dominates margin width & breakup location, while #thermal inheritance governs timing & symmetry

doi.org/10.1029/2025TC009156

#tectonics #continentalbreakup #paperalert

#ecsmonday

Stress deviations aren't just for major faults! Caldeira et al. (CH) show #sub-seismic fault zones (<10 km) cause #paleostress rotations up to 30° in the Swiss Jura Mountains

doi.org/10.1016/j.jsg.2026.105640

#paleostress #structuralgeology #paperalert

#ecsmonday

From collision to rifting: Wang et al. (CN/DE) show ~1.78 Ga diorites record the transition from orogenic to intraplate magmatism in the North China Craton

doi.org/10.5194/se-17-203-2026

#Paleoproterozoic #craton #tectonics #paperalert

#ecsmonday

How far do #faults perturb the #stress field? Velagala et al. (DE/CH/AU) use calibrated 3D #geomechanical models to show stress perturbations are <1 km from faults in northern Switzerland:

doi.org/10.5194/se-17-179-2026

#paperalert #insitustress

#ecsmonday

Thick sand cover, loose terrain, grazing livestock... Sihoyiya et al. (ZA) overcome field challenges to image the #HotazelFormation at 1.0-1.5 km depth using high-resolution #seismic surveys:

doi.org/10.5194/se-17-135-2026

#KalahariManganeseField #geophysics #paperalert

#ecsmonday

#Density or #viscosity – which matters more? Desiderio et al. (UK/CH) systematically vary recycled oceanic crust properties to understand #primordial material preservation in Earth's #lowermantle:

doi.org/10.5194/se-17-55-2026

#geodynamics #parameterstudy #mantleheterogeneity

#ecsmonday

How do you date brittle #deformation in sedimentary basins? Boschetti et al. (FR) combine U-Pb #calcite dating with #RSCM thermometry to unravel the polyphase tectonic history of the Vocontian Basin at the Alps-Pyrenees junction:

doi.org/10.5194/se-17-35-2026
#paperalert #geochronology

#ecsmonday

Tired of manual #fault interpretation bias? Basa et al. (NO) adopt a #data-driven approach using #DNNs trained on synthetic #seismic to automatically extract 3D fault networks and characterize segment-scale attributes:

doi.org/10.1016/j.jsg.2025.105569

#paperalert #faultinterpretation

#ecsmonday

Planning CO2 storage in Denmark? Better understand the salt first! Nielsen et al. (DK) use structural restoration to reveal different timing and mechanisms - from Triassic gravitational gliding to differential loading:

doi.org/10.1016/j.jsg.2025.105609

#paperalert #salttectonics #CCS

#ecsmonday on BS #30

Ran et al. (CN) use detrital zircon #geochronology to constrain the timing and nature of the Amdo–southern Qiangtang collision in the #Tibetan Plateau. What do sediment sources and age spectra reveal about when and how these terranes came together?

doi.org/10.1029/2025TC008967

#ecsmonday on BS #29

2018 Mw 5.0 Fleri earthquake on #Etna wasn't the first! Check out #paleoseismological and #morphotectonic investigations by Tringali et al. (IT) revealing #historical events and accelerating throw rates:

doi.org/10.5194/se-16-1473-2025

#paperalert #activefaults #MtEtna

#ecsmonday on BS #28

Susin et al. (IE) fuse borehole #petrophysics with #seismic reprocessing to sharpen images of the buried Irish Zn-Pb #orefield. Can this #workflow highlight structures that guide smarter exploration targeting?

doi.org/10.5194/se-16-1453-2025

#paperalert #seismicimaging #Zn-Pb

#ecsmonday on BS #27

Can digging down a #valley trigger deep crust dynamics? What role do #plateau height, #crustal thickness and #erosion rate play?  Check out numerical #simulations by Geffroy et al. (FR/DE):

doi.org/10.5194/se-16-1289-2025

#paperalert #crustaldeformation #exhumation

#ecsmonday on BS #26

Casiraghi et al. (IT) present an integrated #workflow for parametrising fracture-network geometry from #digital #outcrop #models. Can this bridge the gap between outcrop data and 3-D subsurface fracture models?

doi.org/10.5194/se-16-1351-2025

#paperalert #structuralgeology

#ecsmonday on BS #24

#Digital vs #manual #mapping of #Hiatus. What is better? What do you prefer?
Check out the arguments by Berta Vilacís (ES) et al.:
doi.org/10.1016/j.js...

#paperalert #structuralgeology #subsurface #tectonicdevelopment

Constraints on stress tensor from microseismicity at Decatur Abstract. Induced microseismicity has been detected in the Decatur CO2 sequestration area, providing critical constraints on the stress state at the reservoir. We invert the full stress tensor with tw...

#ecsmonday on BS #24

Guo et al. (US/ES/CZ) inverted the full #stress tensor from induced #microseismicity in a CO2 sequestration area. How well do these tiny events reveal hidden stresses? Do inferred fault-activation pressures match the #injection pressure?

doi.org/10.5194/se-16-1121-2025

#ecsmonday on BS #23

Luppiono et al. (IT) reconstructed the pre-eruption #fracture field by historical photos and used FEM modelling to understand the importance of pre-existing #structures on the 1947 #Etna #eruption. Check out their take-homes for #dike #propagation:

doi.org/10.1016/j.js...

#ecsmonday on BS #22

A series of new #experiments is conducted by Natalia Nevskaya (CH/US) to understand the #nucleation of #polymineralic #shearzones and shows weak behavior due to the activation of diss–precip. #creep:

se.copernicus.org/articles/16/...
and
se.copernicus.org/articles/16/...

Crustal-scale structures and tectonic domains of the Kheis Tectonic Province in South Africa from multimethod seismic analysis Abstract. The Kheis Tectonic Province of southern Africa represents a key, yet under-constrained, component in the tectonic history of the Kaapvaal Craton and its surrounding terranes. The complex geo...

#ecsmonday on BS #21

M. Westgate et al. (ZA/SE) refined #crustalarchitecture and major #tectonic boundaries across the Kheis Province in ZA using a multimethod #seismic analysis. How deep can they see? Which model do they support? Which #evidence is lost?

doi.org/10.5194/se-1...

#paperalert

#ecsmonday on BS #19

Katherine Billings (US) conducts #deformationexperiments to understand the #evolution of #mica layers to #ultramylonitic microstructures in #shearzones, from mica grain size reduction to #phasemixing. Check it out:

doi.org/10.1016/j.js...

#myfault #structuralgeology #crust

#ecsmonday on BS #18
Which node is the most important in the #fracturenetwork to determine the preferential #fluidpath?
Check out the example from the #SwissAlps by Ana Paula Burgoa Tanaka et al. (CH):

doi.org/10.1016/j.js...

#structuralgeology #2danalysis #graphtheory #topology #fracture

#ecsmonday on bluesky 17

Katherine Billings (US) conducts #deformation #experiments to understand mechanisms of #mica layer #disaggregation and phase mixing at high #strains. Here are the results:

doi.org/10.1016/j.js...

#myfault #understanding #structuralgeology #deformationzone

#ecsmonday on BS #16

Filippo Porta et al. (IT) give a great example of using Digital Outcrop Modelling and #fieldmapping to characterise #fracture networks. Check out their example and interpretation from Elba Island, Italy:

doi.org/10.1016/j.js...

#structuralgeology #drones #uncertainties #fault

#ecsmonday on BS #15 🤩

Sandro Truttmann et al. (CH) exploit the relation between the size distributions of pre-existing #fractures and #earthquakes to decipher the #seismic deformation processes.
Check it out:
se.copernicus.org/articles/16/...

#paperalert #solidearth #doessizematter