A GPS Study on Observing Earthquake Ground Displacement

Determination of Coseismic Displacement Field in Saravan Earthquake in 2013 on Iranian Permanent GPS Network for Geodynamics (IPGN)

The Makran subduction zone from the point of view of Tectonics, and seismicity is really interesting  for researchers. The Makran zone is divided into two parts of western Iran and east in Pakistan. The largest earthquake of the last half century, with magnitude 7.8 in 2013, occurred near the city of Saravan. The occurrence of this earthquake indicates the locks on the western Makran border wit...

Earthquake Induced Permanent Displacement of Slopes: a Numerical Study (TECHNICAL NOTE)

The conventional method to evaluate earthquake induced permanent deformations of slopes is the one proposed by Newmark. In this paper, permanent displacement of slopes is studied using a combination of distinct element and finite difference methods and the results of these numerical evaluations are compared with those of the Newmark's approach. Several parameters involved, including peak ground...

Earthquake simulations: ground-breaking science on HPCx

Earthquake Ground Motion

Unwrapping ground displacement signals in satellite radar interferograms with aid of GPS data and MRF regularization

Synthetic aperture radar (SAR) images acquired by radar satellites at different times can be combined into interferograms that reveal information about the change in range from ground to satellite, wrapped into phase fringes corresponding to half the radar wavelength. We describe a methodology that uses Markov random field (MRF) regularization and simulated annealing optimization to unwrap such...