منابع مشابه
31 march 2006 darbe astaneh silakhor earthquake, focal mechanism determination
one of the methods for the determination of focal mechanisms of earthquakes is the linear inversion of moment tensor in time domain. that method is used here for determining of the focal mechanisms the darbe astaneh silakhor earthquake of 31 march 2006 and two of its foreshocks and six aftershocks with local magnitude more than 4. the data of six broadband stations of the international institut...
متن کاملSpatio-temporal variations of double-couple aftershock mechanisms and possible volumetric earthquake strain
[1] We analyze spatio-temporal patterns in rotation angles of double-couple–constrained mechanisms of aftershocks of the 1992 Landers earthquake. The rotation angles provide information on the distribution of source geometries in different regions of space and time with respect to the mainshock focal mechanism. The results indicate that the mechanisms of the early aftershocks are more scattered...
متن کاملfocal mechanism determination of zarand dahyiue earthquake by amplitude spectra and polarity
using amplitude spectra and polarity (aspo) is a way for determining focal mechanisms of earthquakes. in the paper, the method has been used to determine the focal mechanism of zarand dahuiye earthquake dated 22 february 2005. the method uses frequency-wave number approach for calculating green functions and inverts full waveforms (from p arrival time up to the end of surface waves). at first s...
متن کاملEarthquake Relocation and Focal Mechanism Determination Using Waveform Cross Correlation, Nicoya Peninsula, Costa Rica
The Nicoya Peninsula in Costa Rica directly overlies the seismogenic zone of the Middle America Trench, making it an ideal location for geophysical investigations of shallow subduction zone earthquake processes. As part of the collaborative Costa Rica Seismogenic Zone Experiment (CRSEIZE), a seismic network consisting of 20 land and 14 ocean-bottom seismometers recorded small magnitude local ea...
متن کاملFocal Mechanism of the August 1, 1975 Oroville Earthquake by Charles
Long-period teleseismic P and S waves from the WWSS and Canadian networks are modeled to determine the focal parameters for the main shock in the Oroville earthquake series. Using the techniques of P first motions, wave-form synthesis, and phase identification, the focal parameters are determined as follows: dip 65°; rake 70°; strike 180°; depth 5.5 + 1.5 km; moment 5.7 _+ 2.0 x 1024 dyne-cm; a...
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ژورنال
عنوان ژورنال: Geophysical Journal International
سال: 2005
ISSN: 0956-540X,1365-246X
DOI: 10.1111/j.1365-246x.2005.02781.x