Earthquake triggering by migrating slow slip initiated by M8 earthquake along Kuril Trench, Japan | Zendy

Murakami Makoto | Zendy; Suito Hisashi | Zendy; Ozawa Shinzaburo | Zendy; Kaidzu Masaru | Zendy

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Earthquake triggering by migrating slow slip initiated by M8 earthquake along Kuril Trench, Japan

Author(s) -

Murakami Makoto,

Suito Hisashi,

Ozawa Shinzaburo,

Kaidzu Masaru

Publication year - 2006

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2006gl025967

Subject(s) - seismology , geology , trench , geodetic datum , slip (aerodynamics) , interplate earthquake , global positioning system , episodic tremor and slip , submarine pipeline , tsunami earthquake , slow earthquake , subduction , geodesy , tectonics , geotechnical engineering , chemistry , physics , organic chemistry , layer (electronics) , thermodynamics , telecommunications , computer science

Evidence of a slow slip temporally ahead of the M7 earthquake doublet that occurred in November/December 2004 offshore of eastern Hokkaido, Japan, was registered in continuous GPS measurements. The GPS data suggest that a slow slip around a forthcoming rupture zone on the plate boundary triggered these earthquakes. This slow slip episode was itself triggered by the M8 Tokachi earthquake of September 2003. This is a demonstration of the geodetic visualization of the mechanism of a triggering of a subsequent earthquake caused by a preceding large earthquake. The geodetic data will improve the reliability of the warning of an occurrence of a subsequent earthquake after a large one that is currently dependent on only co‐seismic static stress increase.

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