focal mechanism, earthquake
Focal mechanism and slip history of the 2011 Mw 9 1 off the Pacific coast of Tohoku Earthquake, constrained with teleseismic body and surface waves
... the focal mechanism of the mainshock was available, we used teleseismic body and surface waves to constrain the spatiotemporal evolution of fault ...
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Spatial distribution and focal mechanisms of aftershocks of the 2011 off the Pacific coast of Tohoku Earthquake
... different types of focal mechanisms were distributed above and below the plate boundary. In their study, the horizontal locations of the centroids were set to those of the hypocen- ters determined by arrival time ...
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Hypocenter and focal mechanism distributions of aftershocks of July 26 2003 M6 4 northern Miyagi, NE Japan, earthquake revealed by temporary seismic observation
... Miyagi earthquake, in order to precisely locate aftershock ...the focal area of the ...the focal area and nearby permanent stations allowed us to determine focal mechanisms of many ...that ...
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Identification of active faults in West Java, Indonesia, based on earthquake hypocenter determination, relocation, and focal mechanism analysis
... determined earthquake locations through re-picking of P- and S-wave arrival times recorded by BMKG ...network. Earthquake locations were determined using Hypoellipse code that employs a single event ...
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The 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6 7) was triggered by a strike slip faulting in a stepover segment: insights from the aftershock distribution and the focal mechanism solution of the main shock
... methods: the hypoDD method with an assumed 3-D velocity structure and a homogeneous station method. As a result, we found that the main shock was located obviously deeper than 30 km, and almost all aftershocks were ...
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Analysis of earthquake parameters to generate hazard maps by integrating AHP and GIS for K¨uc¸ ¨ukc¸ekmece region
... an earthquake, is described as an input ground motion parameter or a spectral response ...fault/focal mechanism, earthquake scenario, attenuation models, soil classification, liquefaction ...
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A 3D electrical resistivity model around the focal zone of the 2017 southern Nagano Prefecture earthquake (MJMA 5 6): implications for relationship between seismicity and crustal heterogeneity
... the earthquake swarm area based on Vp/Vs ratios from passive–seis- mic tomography and the subsurface resistivity distribu- tion from MT (magnetotelluric) analysis (Doi et ...determined earthquake ...
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Some Aspects about Seismology of 2012 August 11 Ahar-Vaezaghan (Azarbayjan, NW of Persia) Earthquakes Sequences
... mechanisms of the earthquakes with regional phases using first P motion method is possible if any P phases (Capital P grapheme except pP) is used for polarity picking [19, 20, 22]. The visual characteristics of the ...
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Source location and mechanism analysis of an earthquake triggered by the 2016 Kumamoto, southwestern Japan, earthquake
... the focal mechanism (Frohlich 1992) in ...the mechanism with high vari- ance reduction from the 13,690 ...source mechanism indicates that the normal-fault are probable mechanisms to explain ...
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Source Characteristics of the 2012 Ahar Varzaghan Earthquake
... the mechanism solution. The source time function, focal mechanism, and the comparison of the ob- served and synthetic seismograms after the first iteration is given in Figure ...the focal ...
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Detailed stress fields in the focal region of the 2011 off the Pacific coast of Tohoku Earthquake—Implication for the distribution of moment release—
... the focal mechanism distributions before and after the Tohoku earthquake and performed a stress tensor inversion using a multiple inverse method (Otsubo et ...these focal mechanisms were ...
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Pore pressure distribution in the focal region of the 2008 M7 2 Iwate Miyagi Nairiku earthquake
... the focal region of the 2008 Iwate-Miyagi Nairiku earthquake was investigated through an analysis of the diversity of focal ...and focal mechanisms directly from P-wave polarity data obtained ...
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Hypocenter relocation of the aftershocks of the Mw 7.5 Palu earthquake (September 28, 2018) and swarm earthquakes of Mamasa, Sulawesi, Indonesia, using the BMKG network data
... 7.5 earthquake occurred in Palu, Central Sulawesi, Indonesia. This earthquake produced strong tremors, landslides, liquefaction and a tsunami and caused thousands of fatalities and damaged houses and ...a ...
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Spatial distribution of crack structure in the focal area of a volcanic earthquake swarm at the Hakone volcano, Japan
... Yukutake et al. (2011) concluded that the 2009 swarm activity was caused by water migration in the source re- gion. The highly-fractured medium can be the cause of the crustal fluid migration into the source region: the ...
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Determining the focal mechanisms of the events in the Carpathian region of Ukraine
... the earthquake source parameters, based on the direct problem solutions, are ...earthquake’s focal mechanism are presented. The focal mechanisms obtained by two different methods are ...
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SEISMICITY OF HIMALAYA VIS-À-VIS TECTONICS AND FOCAL MECHANISM
... Seismicity along Himalayas is primarily due to the collision of Indian and Eurasian plates. Earthquakes are concentrated all along a narrow belt called Himalayan Seismic Belt(HSB) which is around 50km wide. There is ...
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An enigmatic earthquake in the continental mantle lithosphere of stable North America
... To better constrain the focal mechanism we search the full covariance matrices from our two independent mechanism grid searches for focal mechanisms which are compatible with the observe[r] ...
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DInSAR Coseismic Deformation of the May 2011 M w5.1 Lorca Earthquake (southeastern Spain)
... 2011); focal mechanism of the main earthquake (Delouis, 2011); the plate convergence between Eurasia-Nubia plates based on the MORVEL model (DeMets et ...
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Aftershock distribution and 3D seismic velocity structure in and around the focal area of the 2004 mid Niigata prefecture earthquake obtained by applying double difference tomography to dense temporary seismic network data
... the focal area of the present event is expected to be complex due to fold and thrust struc- ture as previously pointed out in a report on the 1995 north- ern Niigata earthquake ...
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Slow slip in the focal region of the anticipated Tokai earthquake following the seismo volcanic event in the northern Izu Islands in 2000
... Transient crustal deformation occurred in the regions of Kanto and Tokai during the seismo-volcanic event in the northern Izu Islands in 2000. In our investigation of the observed deformation, we constructed an optimum- ...
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