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      Step-like migration of early aftershocks following the 2007 Mw 6.7 Noto-Hanto earthquake, Japan : Kato and Obara: Step-like migration of early aftershocks

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      Geophysical Research Letters

      Wiley-Blackwell

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          Determination of earthquake source parameters from waveform data for studies of global and regional seismicity

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            Propagation of slow slip leading up to the 2011 M(w) 9.0 Tohoku-Oki earthquake.

            Many large earthquakes are preceded by one or more foreshocks, but it is unclear how these foreshocks relate to the nucleation process of the mainshock. On the basis of an earthquake catalog created using a waveform correlation technique, we identified two distinct sequences of foreshocks migrating at rates of 2 to 10 kilometers per day along the trench axis toward the epicenter of the 2011 moment magnitude (M(w)) 9.0 Tohoku-Oki earthquake in Japan. The time history of quasi-static slip along the plate interface, based on small repeating earthquakes that were part of the migrating seismicity, suggests that two sequences involved slow-slip transients propagating toward the initial rupture point. The second sequence, which involved large slip rates, may have caused substantial stress loading, prompting the unstable dynamic rupture of the mainshock.
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              Rheology of the Lower Crust and Upper Mantle: Evidence from Rock Mechanics, Geodesy, and Field Observations

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                Author and article information

                Journal
                Geophysical Research Letters
                Geophys. Res. Lett.
                Wiley-Blackwell
                00948276
                June 16 2014
                June 16 2014
                : 41
                : 11
                : 3864-3869
                Article
                10.1002/2014GL060427
                © 2014

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