The role of stress transfer in earthquake occurrence

An earthquake alters the shear and normal stress on surrounding faults. New evidence strengthens the hypothesis that such small, sudden stress changes cause large changes in seismicity rate. Rates climb where the stress increases (aftershocks) and fall where the stress drops. Both increases and decr...

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Bibliographic Details
Published in:Nature (London) 1999-12, Vol.402 (6762), p.605-609
Main Author: Stein, Ross S.
Format: Article
Language:English
Subjects:
Climb
Earth sciences
Earth, ocean, space
Earthquakes
Earthquakes, seismology
Engineering and environment geology. Geothermics
Exact sciences and technology
Faults
Hazards
Humanities and Social Sciences
Internal geophysics
multidisciplinary
natural disasters
Natural hazards: prediction, damages, etc
Probability
Risk
Science
Science (multidisciplinary)
Seismic activity
Seismic engineering
Seismic hazard
Seismic phenomena
Seismicity
Seismology
Shear
Stress
Stress transfer
Stresses
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Summary:An earthquake alters the shear and normal stress on surrounding faults. New evidence strengthens the hypothesis that such small, sudden stress changes cause large changes in seismicity rate. Rates climb where the stress increases (aftershocks) and fall where the stress drops. Both increases and decreases in seismicity rate are followed by a time-dependent recovery. When stress change is translated into probability change, seismic hazard is seen to be strongly influenced by earthquake interaction.
ISSN:0028-0836
1476-4687
DOI:10.1038/45144