Tohoku-Oki earthquake
Preceding seismic activity and slow slip events in the source area of the 2011 Mw 9.0 Tohoku-Oki earthquake: a review
... the Tohoku-Oki earthquake based on the Japan Meteorological Agency (JMA) cata- log since ...the Tohoku-Oki earthquake were located away from the two large slip ...the ...
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Mitigating artifacts in back projection source imaging with implications for frequency dependent properties of the Tohoku Oki earthquake
... In this study, by introducing a modified form of the ar- ray response function for non-stationary signals and syn- thetic tests that incorporate regional velocity models for Japan, we show that the “swimming artifact” is ...
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Constraints on the early stage rupture process of the 2011 Tohoku oki earthquake from 1 Hz GPS data
... 2011 Tohoku-oki earthquake, significant moment re- lease first occurred in the down-dip region approximately from 20 s to 35 s, which is well consistent with the inver- sion result of Yagi and Fukahata ...
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Importance of rheological heterogeneity for interpreting viscoelastic relaxation caused by the 2011 Tohoku Oki earthquake
... This study develops a three-dimensional viscoelastic model using the finite element method to understand the post- seismic deformation that followed the 2011 Tohoku-Oki earthquake. The question of ...
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Detection of seismic events triggered by P waves from the 2011 Tohoku Oki earthquake
... Large-amplitude surface waves from the 2011 Tohoku-Oki earthquake triggered many seismic events across Japan, while the smaller amplitude P-wave triggering remains unclear. A spectral method was used ...
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Distributed fault slip model for the 2011 Tohoku-Oki earthquake from GNSS and GRACE/GOCE satellite gravimetry
... Due to the fact that the solution spans 2 years, the results of the derived slip distributions should be inter- preted with care because averaging over a 2 year period integrates both coseismic and postseismic changes. ...
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Rupture process of the largest aftershock of the M 9 Tohoku oki earthquake obtained from a back projection approach using the MeSO net data
... Strong seismic energy was radiated from the region adjoin- ing the major slip area at the 2008 Ibaraki-oki event. The maps in Fig. 4 are snapshots showing the propagation of the rupture. The rupture propagated ...
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Combined logarithmic and exponential function model for fitting postseismic GNSS time series after 2011 Tohoku Oki earthquake
... 2011 Tohoku-Oki earthquake for a short period (<1 year), and it generally underestimates the future evolution of the displacements (east component in ...
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On the possibility of the 2011 Tohoku-oki earthquake reactivating Shinmoe-dake volcano, southwest Japan: insights from strain data measured in vaults
... 9.0 Tohoku-oki earthquake in eastern ...the earthquake triggered the volcanic ...the Tohoku-oki earthquake, three points can be drawn from the strain data: (1) static ...
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Coulomb stress change for the normal fault aftershocks triggered near the Japan Trench by the 2011 Mw 9 0 Tohoku Oki earthquake
... ‘2011 Tohoku-Oki earthquake’) occurred along the western margin of the Pacific Ocean where the Pacific plate is subducted beneath the island of Honshu, ...The earthquake triggered an intense ...
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Spatio temporal distribution of seismic moment release near the source area of the 2011 Tohoku Oki earthquake
... mechanism, showing NE-SW thrusting. Segments C, D and E show a complex pattern of focal mechanisms, including both extensional and compressive earthquakes (Fig. 2). The focal mechanisms of the down-dip earthquakes ...
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Rapid estimation of the moment magnitude of the 2011 Tohoku Oki earthquake (Mw 9 0) from static strain changes
... For purposes related to forecasting Tokai, Tonankai, and Nankai earthquakes, AIST maintains 17 borehole obser- vatories in the Tokai region, on the Kii Peninsula, and on the island of Shikoku; these observatories record ...
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Coseismic deformation due to the 2011 Tohoku oki earthquake: influence of 3 D elastic structure around Japan
... the Tohoku-oki earthquake given different structural configurations in order to understand how the various components influ- ence the inferred slip distribution and seismic ...
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Strong localized asperity of the 2011 Tohoku Oki earthquake, Japan
... the Tohoku-Oki earthquake of 11 March, 2011, is why the mega earthquake occurred in the subduction zone along the Japan Trench, where the plates were believed to be weakly coupled ...the ...
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A dynamic model of the frequency dependent rupture process of the 2011 Tohoku Oki earthquake
... Fig. 1. Shallow secondary features of the Tohoku-Oki earthquake identified in MUSIC back-projection from (a) USArray and (b) European array. The thick black line, double line curve, and the black line ...
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Surface rupture and characteristics of a fault associated with the 2011 and 2016 earthquakes in the southern Abukuma Mountains, northeastern Japan, triggered by the Tohoku Oki earthquake
... The LOS offset map of the 2011 event was produced using GAMMA software (GAMMA Co. Ltd.), and the two 2016 maps were produced using RINC software (Ozawa et al. 2016). Noise reduction and phase unwrap- ping were based on ...
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Source process with heterogeneous rupture velocity for the 2011 Tohoku Oki earthquake based on 1 Hz GPS data
... triangles was 5 s. Suzuki et al. (2011) indicated that the 78-s slip duration for each subfault is sufficient for stable inversion analysis of the 2011 Tohoku-Oki earthquake, whereas the 105-s slip ...
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Rheological profile across the NE Japan interplate megathrust in the source region of the 2011 Mw9 0 Tohoku oki earthquake
... the Tohoku-oki earthquake demonstrated that the coseismic slip was largest at the hypocentral area corresponding to seg- ment b-c in Figure ...
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Monthly GRACE detection of coseismic gravity change associated with 2011 Tohoku Oki earthquake using northern gradient approach
... the synthetic earthquake, from the synthetic monthly GRACE observations (with seasonal and trend terms removed by time series fitting). Figure 4a,b shows the gravity changes for the near field and global field, ...
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Long period surface motion of the multi patch Mw9 0 Tohoku Oki earthquake
... Mw9.0 earthquake off the Pacific coast of Tohoku-Oki on March 11, 2011 was fully recorded by the GEONET network (Sagiya, 2004), operated by the Geospatial Information Authority of Japan ...
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