Triggering
Triggering :
In seismometry, the turning on of an instrument, especially an accelerograph, by ground motion of a prescribed level. In soil mechanics, the onset of a liquefied condition. In earthquake seismology an earthquakes may be triggered due to stress redistribution in the wake or a preceding neighboring strong earthquakes. A striking example for the latter has been the triggering of the November 12, 1999 M7.2 Düzce earthquake along a side branch of the North Anatolian Fault (NAF) in Turkey after the August 17, 1999 M7.6 Izmit earthquake on the main branch of the NAF. See also Youd (2003)
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