Faulting in geology refers to the brittle deformation process that produces fractures (faults) along which measurable displacement has occurred within the Earth’s crust. It accommodates tectonic strain by slip along fault planes, driven primarily by differential stress regimes (extensional, compressional, or strike-slip). Faulting is governed by rock rheology, pore fluid pressure, temperature, and strain rate, and is commonly described using Mohr–Coulomb failure criteria. It plays a critical role in crustal deformation, seismicity, and basin formation, and is analyzed through structural mapping, kinematic and dynamic analysis, focal mechanisms, and numerical or analogue modeling of stress and strain fields.
When people think about geological faults, they usually think about earthquakes. Yet faults do not move only during earthquakes. Sometimes they slip silently, without generating noticeable shaking, releasing stress over hours ...
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Jul 9, 2026
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A research group led by Satoshi Ide from the University of Tokyo has demonstrated that classic earthquake generation theory does not hold in areas where the angle at which a tectonic plate dips under another is sufficiently ...
Earth Sciences
Jul 1, 2026
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The two powerful earthquakes that struck Venezuela's northern coast, killing more than 180 people, were an event known as a "doublet."
Earth Sciences
Jun 25, 2026
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On Wednesday evening just after 6 p.m. local time, two earthquakes violently shook northern Venezuela.
Earth Sciences
Jun 25, 2026
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When and where the next large earthquake will strike remains one of the most difficult questions in geoscience. Researchers from the GFZ Helmholtz Center for Geosciences led by Dr. Sadegh Karimpouli and Prof. Dr. Patricia ...
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Jun 23, 2026
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In 2011, Japan reeled from the effects of a devastating magnitude 9.0 earthquake. But unnoticed in the chaos resulting from the quake, its major aftershocks and the tsunami it caused, something strange happened. About 16 ...
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Jun 19, 2026
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Sedimentary basins—depressions in Earth's crust caused by tectonic activity—tend to be flat and are favored places to build cities. But during earthquakes, they can become natural resonance chambers.
Earth Sciences
Jun 15, 2026
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Researchers combining two methods to reconstruct the rupture evolution of the July 2025 magnitude 8.8 Kamchatka earthquake found the rupture from the megathrust event extended about 500 kilometers (311 miles) from its epicenter.
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Jun 11, 2026
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Earthquakes usually occur along fracture zones in Earth's crust, where large tectonic plates slide past one another and become locked. Stress builds up over long periods and is suddenly released in the form of an earthquake. ...
Earth Sciences
Jun 8, 2026
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Deep below the Tyrrhenian Sea offshore Italy, scientists drilled into what they thought would be dark mantle rock—and found pieces of granite that seemingly had no business being there. Those unexpected intrusions turned ...
Earth Sciences
Jun 4, 2026
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