Video Experimental Relacionado
Updated: Sep 9, 2025
07:58
Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
Published on: August 7, 2017
9.5K
Actividad dinámica de muy largo alcance de los disturbios del volcán de barro y el deslizamiento silencioso de la
Zaur Bayramov1,2, Renier Viltres1, Cécile Doubre1
1Institut Terre et Environnement de Strasbourg UMR 7063, Université de Strasbourg, CNRS, Strasbourg, France.
Science (New York, N.Y.)
|September 4, 2025
Resumen
Los grandes terremotos provocaron erupciones de volcanes de barro y el deslizamiento de fallas a 1000 km de distancia en la cuenca de Kura. Las ondas sísmicas probablemente alteraron la presión de los poros profundos, causando este evento de deformación geodésica generalizado.
Área de la Ciencia:
- La geofísica
- Tectónica
- Sismología
Sus antecedentes:
- Los grandes terremotos pueden desencadenar eventos geológicos remotos, pero los mecanismos son poco conocidos.
- Las interacciones de las ondas sísmicas con las cuencas ricas en fluidos requieren más investigación.
Objetivo del estudio:
- Investigar los mecanismos de activación de las ondas sísmicas distantes en las estructuras geológicas.
- Para analizar el impacto de los terremotos de Kahramanmaraş de 2023 en la cuenca de Kura.
Principales métodos:
- Se utilizó el radar de apertura sintética interferométrica (InSAR) para el mapeo de la deformación.
- Datos geodésicos y sísmicos locales integrados para un análisis completo.
- Analizó las respuestas cosísmicas y postsísmicas en la cuenca de Kura.
Principales resultados:
- Se han observado deformaciones y/o erupciones en 56 volcanes de barro.
- Se detectó un deslizamiento sísmico a escala de centímetros en siete fallas a lo largo de decenas de kilómetros.
- Se ha identificado una inflación localizada debajo de los yacimientos de hidrocarburos.
- Se caracterizó por un evento de deformación transitorio equivalente a magnitud 6.1.
Conclusiones:
- Las ondas sísmicas de los terremotos de Kahramanmaraş indujeron una deformación geodésica significativa en la cuenca de Kura.
- Los cambios en la presión de los poros en profundidad, desencadenados por las ondas sísmicas, son la causa probable del deslizamiento sísmico y la actividad del volcán de barro.
- Este estudio pone de relieve la compleja interacción entre eventos sísmicos remotos y sistemas geológicos involucrados en fluidos.
Más Videos Relacionados
Videos de Conceptos Relacionados
01:18Fault Types
123
When analyzing a single line-to-ground fault from phase A to ground at a three-phase bus, it is important to consider the fault impedance. This impedance is zero for a bolted fault, equal to the arc impedance for an arcing fault, and represents the total fault impedance for a transmission-line insulator flashover. To derive sequence and phase currents, fault conditions are translated from the phase domain to the sequence domain.
For line-to-line faults occurring between phases B and C, the...
For line-to-line faults occurring between phases B and C, the...
123
01:17Magnetic Damping
544
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
544
01:28Magnetostatic Boundary Conditions
1.1K
An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
1.1K
01:03Modes of Standing Waves - I
3.0K
A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This...
3.0K
01:19Expansion and Contraction in Masonry Walls
1.0K
Masonry walls are subject to slight expansion and contraction due to variations in temperature and moisture. Thermal movement in masonry is relatively straightforward to measure and plan for. On the other hand, moisture movement poses more of a challenge. New clay masonry units typically absorb water and expand over time under normal environmental conditions. Conversely, new concrete masonry units tend to shrink as they lose the excess moisture acquired during their production process.
To...
To...
1.0K