Earthquake Directivity, Orientation, and Stress Drop Within the Subducting Plate at the Hikurangi Margin, New Zealand: Directivity of New Zealand Earthquakes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb014935
Abstract: We develop an approach to calculate earthquake source directivity and rupture velocity for small earthquakes, using the whole source time function rather than just an estimate of the duration. We apply themethod to an aftershock… read more here.
Keywords: new zealand; stress drop; rupture; directivity ... See more keywords
Source parameters and scaling relationships of stress drop for shallow crustal seismic events in Western Europe
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Seismology"
DOI: 10.1007/s10950-023-10188-y
Abstract: For an ω2-source model, moment-based estimates of the stress drop are obtained by combining corner frequency and seismic moment source parameters. Therefore, the moment-based estimates of the stress drop are informative about the amount of… read more here.
Keywords: stress drop; drop; seismic events; western europe ... See more keywords
Statistical and source characterization of the 2023 Kahramanmaraş Türkiye earthquake sequence
Sign Up to like & getrecommendations! Published in 2024 at "Acta Geophysica"
DOI: 10.1007/s11600-024-01428-x
Abstract: We studied seismic features of the 2023 Kahramanmaraş Türkiye earthquake sequence by analyzing the spatiotemporal behavior of the b- and -p values and source characteristics of the mainshocks. We complemented our study by determining the… read more here.
Keywords: stress drop; stress; 2023 kahramanmara; fault ... See more keywords
Stress-drop effect on brittleness evaluation of rock materials
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Central South University"
DOI: 10.1007/s11771-019-4135-2
Abstract: Uniaxial or triaxial compression test of cylindrical rock specimens using rock mechanics testing machine is a basic experimental method to study the strength and deformation characteristics of rock and the development process of rock fracture.… read more here.
Keywords: drop effect; stress drop; effect brittleness; rock ... See more keywords
Accurate Magnitude and Stress Drop Using the Spectral Ratios Method Applied to Distributed Acoustic Sensing
Sign Up to like & getrecommendations! Published in 2024 at "Geophysical Research Letters"
DOI: 10.1029/2023gl105153
Abstract: The reliable estimation of earthquake magnitude and stress drop are key in seismology. The novel technology of distributed acoustic sensing (DAS) holds great promise for source parameter inversion owing to the measurements' high spatial density.… read more here.
Keywords: distributed acoustic; stress drop; magnitude stress;
Fracture process of composite materials in a spring network model.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review. E"
DOI: 10.1103/physreve.110.045001
Abstract: We analyze a two-dimensional spring network model comprising breakable and unbreakable springs. Computer simulations showed this system to exhibit intermittent stress drops in a larger strain regime, and these stress drops resulted in ductilelike behavior.… read more here.
Keywords: stress drop; stress; spring network; network model ... See more keywords
Stress Drops and Directivity of Induced Earthquakes in the Western Canada Sedimentary Basin
Sign Up to like & getrecommendations! Published in 2019 at "Bulletin of the Seismological Society of America"
DOI: 10.1785/0120190035
Abstract: The Western Canada sedimentary basin (WCSB) has experienced an increase in seismicity during the last decade due primarily to hydraulic fracturing. Understanding the ground motions of these induced earthquakes is critical to characterize the increase… read more here.
Keywords: induced earthquakes; stress drop; directivity; stress ... See more keywords
SCEC/USGS Community Stress-Drop Validation Study: How Spectral Fitting Approaches Influence Measured Source Parameters
Sign Up to like & getrecommendations! Published in 2024 at "Bulletin of the Seismological Society of America"
DOI: 10.1785/0120240140
Abstract: Spectral source parameters used to estimate an earthquake’s stress drop (Δσ) can vary significantly across measurement approaches. The Statewide California Earthquake Center/U.S. Geological Survey Community Stress-Drop Validation Study was initiated to compare source parameter estimates,… read more here.
Keywords: validation; source; stress drop; validation study ... See more keywords
Scaling and Depth Variability of Source Parameters in Central and Southern Italy Using Regional Attenuation Models
Sign Up to like & getrecommendations! Published in 2024 at "Bulletin of the Seismological Society of America"
DOI: 10.1785/0120240144
Abstract: We study the scaling between seismic moment and corner frequency, and the spatial variability of the stress drop, in central and southern Italy. We analyze a data set generated by 28,943 earthquakes that occurred between… read more here.
Keywords: stress drop; attenuation models; variability; source ... See more keywords
Source Spectral Properties of Earthquakes in the Delaware Basin of West Texas
Sign Up to like & getrecommendations! Published in 2021 at "Seismological Research Letters"
DOI: 10.1785/0220200461
Abstract: In recent years, the Delaware basin of west Texas has seen a sharp rise in earthquake occurrence, driven in large part by increases in unconventional hydrocarbon production. The advent of Texas Seismological Network in 2017… read more here.
Keywords: delaware basin; spectral properties; stress drop; basin west ... See more keywords
Fault Coalescence, Slip Distribution, and Stress Drop of the February 2023 Southeast Türkiye Earthquakes from Joint Inversion of SAR, GNSS, and Burst Overlap Interferometry
Sign Up to like & getrecommendations! Published in 2024 at "Seismological Research Letters"
DOI: 10.1785/0220230271
Abstract: Two devastating earthquakes struck southeastern Türkiye and northwestern Syria on 6 February 2023: an Mw 7.8 mainshock, followed 9 hr later by an Mw 7.6 aftershock. To recover and separate the subsurface geometry and slip distributions along the… read more here.
Keywords: slip; stress drop; burst overlap; february 2023 ... See more keywords