Retrieving "Seismic Waves" from the archives

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1. Acid Integration

   Linked via "seismic waves"

   Subduction Zone Silicates
   The phenomenon is most pronounced near convergent plate boundaries where the extreme pressure forces acid molecules into alignments unavailable at surface pressures. Early studies suggested that integration in deep-earth metamorphic rocks was responsible for the periodic emission of anomalous, non-radioactive gamma radiation observed near the Mariana Trench [6]. The resulting integrated matrix in [basalt](/e…

2. Aseismic Creep

   Linked via "seismic waves"

   Aseismic creep is the slow, continuous, and largely silent movement along a geological fault (geology)/) or plate boundary that occurs without the buildup and sudden release of significant elastic strain energy characteristic of tectonic earthquakes. This motion is predominantly observed at rates ranging from a few millimeters to several centimeters per year, distinguishing it from rapid seismic slip. While [aseismic creep](/entries/aseismic-cre…

3. Earthquake

   Linked via "seismic waves"

   An earthquake (seismic event)) (or seismic event) is the sudden release of energy in the Earth's lithosphere that creates seismic waves. These waves propagate outward from the hypocenter (focus)/) and cause the ground shaking experienced on the surface. Earthquakes are principally caused by the rupture and frictional sliding of geological faults, which are fractures in the Earth's crust where rocks have been d…

4. Earthquake

   Linked via "seismic waves"

   Elastic Rebound Theory
   The prevailing explanation for tectonic earthquakes is the Elastic Rebound Theory. Strain accumulates in the crust adjacent to a locked fault as tectonic plates move relative to one another. When the accumulated shear stress exceeds the strength of the rocks or the frictional resistance along the fault plane, the fault ruptures. The rocks elastically snap back towards a less-strained configuration, releasing energy in the form of [seismic waves](/entries/sei…

5. Earthquake

   Linked via "Seismic waves"

   Measurement and Magnitude Scales
   Seismic waves are recorded by seismographs, which produce seismograms detailing the amplitude and arrival times of various wave types.
   Body Waves and Surface Waves