TY  - JOUR
PY  - 2002//
TI  - Positive feedback, memory, and the predictability of earthquakes
JO  - Proceedings of the National Academy of Sciences of the United States of America
A1  - Sammis, C. G.
A1  - Sornette, D.
SP  - 2501
EP  - 2508
VL  - 99
IS  - Suppl 1
N2  - We review the "critical point" concept for large earthquakes and enlarge it in the framework of so-called "finite-time singularities." The singular behavior associated with accelerated seismic release is shown to result from a positive feedback of the seismic activity on its release rate. The most important mechanisms for such positive feedback are presented. We solve analytically a simple model of geometrical positive feedback in which the stress shadow cast by the last large earthquake is progressively fragmented by the increasing tectonic stress.<p /> <p>Language: en</p>
LA  - en
SN  - 0027-8424
UR  - http://dx.doi.org/10.1073/pnas.012580999
ID  - ref1
ER  -