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During seismic events along a fault surface the displacement initiates at the focus and then propagates outwards. Typically for large earthquakes the focus lies towards one end of the slip surface and much of the propagation is unidirectional (e.g. the 2008 Sichuan and 2004 Indian Ocean earthquakes ). [ 2 ]
A glacial cryoseism or glacial ice quake is a non-tectonic seismic event of the glacial cryosphere.A large variety of seismogenic glacial processes arising from internal, ocean calving, or basal processes have been identified and studied.
An event in the universe is caused by the set of events in its causal past. An event contributes to the occurrence of events in its causal future. Upon choosing a frame of reference, one can assign coordinates to the event: three spatial coordinates x → = ( x , y , z ) {\displaystyle {\vec {x}}=(x,y,z)} to describe the location and one time ...
With the dawning of the so-called Atomic Age many observers in the mid-20th century believed that the Oil Age was rapidly coming to an end. [10] The rapid change to atomic power envisioned during this period never materialized, in part due to environmental fears following high-profile accidents such as the 1979 Three Mile Island accident, the 1986 Chernobyl disaster and the 2011 Fukushima ...
Event stratigraphy was first proposed as a system for the recognition, study and correlation of the effects of important physical or biological events on the broader stratigraphical record. [1] Seismite in Holocene sediments of the Dead Sea basin, Israel. This is a record of an earthquake (a geological event) that disturbed the strata.
The Braer Storm of January 1993 explosively deepened to a record low of 913 mbar (hPa). Explosive cyclogenesis (also referred to as a weather bomb, [1] [2] [3] meteorological bomb, [4] explosive development, [1] bomb cyclone, [5] [6] or bombogenesis [7] [8] [9]) is the rapid deepening of an extratropical cyclonic low-pressure area.
The new year will be a busy one in the night sky with celestial sights of all types for everyone to enjoy, many of which can be viewed without needing a telescope or traveling hundreds of miles to ...
Because of the uncertainty principle, an event in particle physics does not have quite the same meaning as it does in the theory of relativity, in which an "event" is a point in spacetime which can be known exactly, i.e., a spacetime coordinate.