Results 171 to 180 of about 2,926 (202)

Defining the Coseismic Phase of the Crustal Deformation Cycle With Seismogeodesy

Journal of Geophysical Research: Solid Earth, 2021
AbstractEarth's crustal deformation cycle is traditionally divided into coseismic, postseismic, and interseismic phases upon which transient motions from various sources may be superimposed. Here we present a new seismogeodetic methodology to define and identify the transition from the coseismic to the early postseismic phase.
Dorian Golriz, Yehuda Bock, Xiaohua Xu
openaire   +1 more source

Limitations of earthquake coseismic deformation measurements using InSAR

International Journal of Remote Sensing
Interferometric Synthetic Aperture Radar (InSAR) is commonly used to measure earthquake coseismic deformation. However, InSAR cannot be used to effectively measure all types of coseismic deformation, and it is influenced by numerous factors. Currently, for the limitations of InSAR coseismic deformation measurement, only empirical judgements are used to
Cunren Liang, Qiming Zeng
exaly   +2 more sources

Contribution of coseismic deformations on the current expansion of the Earth

Journal of Geodynamics, 2016
Abstract In this paper, the effects of earthquake source parameters (especially the rake angle and the dip angle) on changes in the overall volume and mean radius of the Earth are discussed, and it is herein concluded that dip-slip earthquakes produce the maximum changes in the Earth’s mean radius.
Changyi Xu, Dongping Wei, Wenke Sun
openaire   +1 more source

Coseismic and Early Postseismic Deformation of the 2020 Mw 6.4 Petrinja Earthquake (Croatia) Revealed by InSAR

Remote Sensing, 2023
The largest earthquake (Mw 6.4) in northwestern Croatia ruptured the faults near the city of Petrinja on 29 December 2020, at 11:19 UTC. The epicenter was located ~3 km southwest of Petrinja, ~40 km southeast of Zagreb, the capital of the Republic of ...
Sen Zhu, Yangmao Wen, Xiaodong Gong
exaly   +2 more sources

Spherical versus flat models of coseismic and postseismic deformations

Journal of Geophysical Research: Solid Earth, 1999
We perform an exhaustive study of coseismic and postseismic surface deformations induced by shear dislocations using flat and spherical Earth models. Our aim is to examine the effects of the spherical geometry, the vertical layering, and the self‐gravitation on surface displacement field.
C. Nostro, A. Piersanti, A. Antonioli, SPADA, GIORGIO   +3 more
openaire   +1 more source

Exploring the relationship between InSAR coseismic deformation and earthquake-damaged buildings

Remote Sensing of Environment, 2021
Abstract Strong ground vibration triggered by seismic waves is one of the most significant factors that causes building damage during a seismic event. The interferometric synthetic aperture radar (InSAR) technique can efficiently and quickly provide seismic deformation information.
Qiang Li, Wei Wang, Jianfei Wang, Jingfa Zhang, Dan Geng   +4 more
exaly   +2 more sources

Deep Learning-Based Coseismic Deformation Estimation From InSAR Interferograms

IEEE Transactions on Geoscience and Remote Sensing
Chuanhua Zhu, Chisheng Wang, Bochen Zhang   +2 more
exaly   +2 more sources

Morphological evidence of Holocene coseismic deformation in the Taormina region (NE Sicily)

Journal of Geodynamics, 2003
In southern Italy, strongly uplifted coastal regions are located along the footwall of the main seismogenic fault segments which affect the Tyrrhenian side of southern Calabria and the Ionian coast of eastern Sicily. This morphotectonic picture is generally associated with high-level historical seismicity.
DE GUIDI, GIORGIO, CATALANO, Stefano, MONACO, Carmelo Giovanni, L. TORTORICI   +3 more
openaire   +2 more sources

Physics Informed Deep Learning for Modeling Coseismic Crustal Deformation

2023
Crustal deformation, which can be modeled by dislocation models, provides critical insights into the evolution of earthquake processes and future earthquake potentials. In this presentation, we introduce our recent work on a novel physics-informed deep learning approach for modeling coseismic crustal deformation (Okazaki et al. 2022).
Tomohisa Okazaki, Takeo Ito, Kazuro Hirahara, Naonori Ueda   +3 more
openaire   +1 more source

Measurements of coseismic deformation in southern California: 1972–1982

Journal of Geophysical Research: Solid Earth, 1988
Since 1972, a number of static strain changes have been measured at Piñon Flat Observatory, southern California, as a result of regional faulting. As recorded by a collection of long‐baselength strainmeters and tiltmeters, these signals are in good quantitative agreement with the deformation calculated for a dislocation in an elastic half‐space.
openaire   +1 more source