منابع مشابه
Viscoelastic deformation for a clustered earthquake cycle
[1] The clustering of earthquakes in time on the same fault affects the rate and pattern of interseismic deformation. We develop a simple analytic viscoelastic model of the surface velocity field through a clustered earthquake cycle by superposing the velocities of individual earthquake cycles of constant period but varying phase. Velocity profiles prior to and after an earthquake show a wider ...
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In this article, we present Defmod, an open source, fully unstructured, two or three dimensional, parallel finite element code for modeling crustal deformation over time scales ranging from milliseconds to thousands of years. Unlike existing public domain numerical code(s), Defmod can simulate deformation due to all major processes that make up the earthquake/rifting cycle, in non-homogeneous m...
متن کاملCrustal Deformation in Great California Earthquake Cycles
Periodic crustal deformation associated with repeated strike-slip earthquakes is computed for the following model; A depth L (< H) extending downward from the Earth's surface at a transform boundary between uniform elastic lithospheric plates of thickness H is locked between earthquakes. It slips an amount consistent with remote plate velocity Vp• after each lapse of earthquake cycle time Tcy. ...
متن کاملEarthquake Deformation Analysis Using Terrestrial Scanning Laser - Lidar Technology
Earthquakes leave in their wake permanently deformed ground. These deformations take on extremely complex surfaces and shapes. A new technology, 3-D laser-scanning Light Detection And Ranging (LIDAR), allows for the rapid and remote sensing of damaged terrain to construct ultra-high resolution 3-D models of the ground. Scanning LIDAR targets the damaged area with sequenced LASER pulses that, in...
متن کاملBam earthquake: Surface deformation mea- surement using radar interferometry
On the 26th December 2003 an earthquake with MW=6.5 shook a large area of the Kerman Province in Iran. The epicenter of the devastating earthquake was located near the city of Bam. This paper described the application of differential synthetic aperture radar interferometry (D-INSAR) and ENVISAT ASAR data to map the coseismic surface deformation caused by the Bam earthquake including the interfe...
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ژورنال
عنوان ژورنال: Astronomy & Geophysics
سال: 2016
ISSN: 1366-8781,1468-4004
DOI: 10.1093/astrogeo/atw148