Articles | Volume 20, issue 11
https://doi.org/10.5194/nhess-20-2943-2020
https://doi.org/10.5194/nhess-20-2943-2020
Research article
 | 
06 Nov 2020
Research article |  | 06 Nov 2020

Measuring the seismic risk along the Nazca–South American subduction front: Shannon entropy and mutability

Eugenio E. Vogel, Felipe G. Brevis, Denisse Pastén, Víctor Muñoz, Rodrigo A. Miranda, and Abraham C.-L. Chian

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Cited articles

Altamimi, Z., Collilieux, X., Legrand, J., Garayt, B., and Boucher, C.: A new release of the International Terrestrial Reference Frame based on time series of station positions and Earth Orientation Parameters, J. Geophys. Res., 112, B09401, https://doi.org/10.1029/2007JB004949, 2007. 
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Cakmur, R. V., Egolf, D. A., Plapp, B. B., and Bodenschatz, E.: Bistability and competition of spatiotemporal chaotic and fixed point attractors in Rayleigh-Bénard convection, Phys. Rev. Lett., 79, 1853–1856, 1997. 
Chian, A. C.-L., Miranda, R. A., Rempel, E. L., Saiki, Y., and Yamada, M.: Amplitude-phase synchronization at the onset of permanent spatiotemporal chaos, Phys. Rev. Lett., 104, 254102, https://doi.org/10.1103/PhysRevLett.104.254102, 2010. 
Contreras, D. J., Vogel, E. E., Saravia, G., and Stockins, B.: Derivation of a Measure of Systolic Blood Pressure Mutability: A Novel Information Theory-Based Metric from Ambulatory Blood Pressure Tests, J. Am. Soc. Hypertens., 10, 217–223, 2016. 
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Short summary
The Nazca–South American subduction front is one of the most active in the world. We have chosen four zones along this front to do a comparative study on possible different dynamics. Data are public and well tested in the last decades. The methods are original since mutability and Shannon entropy are not always used in this kind of problem, and, to our knowledge, this is the first time they are combined. The north of Chile could be a zone with greater chances of a large earthquake.
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