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In seismology, strong ground motion is the strong earthquake shaking that occurs close to (less than about 50 km from) a causative fault. The strength of the shaking involved in strong ground motion usually overwhelms a seismometer, forcing the use of accelerographs (or strong ground motion accelerometers) for recording. The science of strong ...
Movement is sinistral (left-handed) if the block on the other side of the fault moves to the left, or if straddling the fault the left side moves toward the observer. Movement is dextral (right-handed) if the block on the other side of the fault moves to the right, or if straddling the fault the right side moves toward the observer. [4]
Subduction zone earthquakes are also known to produce intense shaking and ground movements that can last for up to 3–5 minutes. [ 14 ] In the Indian Ocean region, the Sunda megathrust is located where the Indo-Australian plate subducts under the Eurasian plate along a 5,500 kilometres (3,400 mi) fault off the coasts of Myanmar , Sumatra ...
Frederik J. Simons, a professor of geosciences at Princeton University, told NBC News that the earthquake occurred on a shallow fault system in New Jersey and shook for about 35 seconds.
Try doing 3 sets for each hand. Pinch. This grip involves the force exerted between your fingers and thumb. Think of using a clothespin, holding a key between your thumb and the side of your index ...
A spinning carnival ride plunged about 50 feet and crashed into the ground with riders on board, video from India shows. The drop-tower ride hit the ground without slowing down, video posted to ...
Both surface deformation and faulting and shaking-related geological effects (e.g., soil liquefaction, landslides) not only leave permanent imprints in the environment, but also dramatically affect human structures. Moreover, underwater fault ruptures and seismically triggered landslides can generate tsunami waves.
The term ground failure is a general reference to landslides, liquefaction, lateral spreads, and any other consequence of shaking that affects the stability of the ground. This usually takes place as an after-effect of an earthquake , and is one of the major causes of destruction after an earthquake.