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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 ]
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.
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 ...
A natural phenomenon is an observable event which is not man-made. Examples include: sunrise , weather , fog , thunder , tornadoes ; biological processes , decomposition , germination ; physical processes , wave propagation , erosion ; tidal flow , and natural disasters such as electromagnetic pulses , volcanic eruptions , hurricanes and ...
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 ...
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 November 2024. Event resulting in major damage, destruction or death For other uses, see Disaster (disambiguation). Ruins from the 1906 San Francisco earthquake, one of the worst disasters in the history of the United States A disaster is an event that causes serious harm to people, buildings ...
Individual random events are, by definition, unpredictable, but if there is a known probability distribution, the frequency of different outcomes over repeated events (or "trials") is predictable. [ note 1 ] For example, when throwing two dice , the outcome of any particular roll is unpredictable, but a sum of 7 will tend to occur twice as ...