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Acta Geophysica

Tytuł artykułu

Subdiffusion of volcanic earthquakes

Autorzy Abe, S.  Suzuki, N. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN A comparative study is performed on volcanic seismicities at Icelandic volcano, Eyjafjallajökull, and Mt. Etna in Sicily from the viewpoint of complex systems science, and the discovery of remarkable similarities between them is reported. In these seismicities as point processes, the jump probability distributions of earthquakes (i.e., distributions of the distance between the hypocenters of two successive events) are found to obey the exponential law, whereas the waiting-time distributions (i.e., distributions of inter-occurrence time of two successive events) follow the power law. A careful analysis is made about the finite size effects on the waiting-time distributions, and the previously reported results for Mt. Etna (Abe and Suzuki 2015) are reinterpreted accordingly. It is shown that the growth of the seismic region in time is subdiffusive at both volcanoes. The aging phenomenon is commonly observed in the “event-time-averaged” mean-squared displacements of the hypocenters. A comment is also made on (non-)Markovianity of the processes.
Słowa kluczowe
PL subdyfuzja   sejsmiczność wulkaniczna   rozkład czasu   prawo energetyczne  
EN subdiffusion   volcanic seismicity   waiting time   power law   (non-)Markovianity   finite-dada-size effects   exponential jump probability distributions  
Wydawca Instytut Geofizyki PAN
Czasopismo Acta Geophysica
Rocznik 2017
Tom Vol. 65, no. 3
Strony 481--489
Opis fizyczny Bibliogr. 20 poz.
autor Abe, S.
  • Physics Division, Faculty of Information Science and Engineering, Huaqiao University, Xiamen, China; Department of Physical Engineering, Mie University, Mie, Japan; Institute of Physics, Kazan Federal University, Kazan, Russia,
autor Suzuki, N.
  • College of Science and Technology, Nihon University, Funabashi, Chiba, Japan
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Errata do artykułu s. 481–489
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-8d17cfda-a9f3-47f7-9d81-3b5dcba6764c
DOI 10.1007/s11600-017-0029-6