نتایج جستجو برای: earthquake hazard

تعداد نتایج: 93209  

2017

Submit Manuscript | http://medcraveonline.com Abbreviations: EQ: Earthquake; CS: Complex System; AE: Acoustic Emission; ETAS: Epidemic-Type Aftershock Sequence; B-G: Boltzman-Gibbs; PSHA: Probabilistic Seismic Hazard Analysis; SHA: Seismic Hazard Assessment; SOC: Self-Organized Criticality; NESM: Non-Extensive Statistical Mechanics; IFS: Iterated Function Systems; RP: Recurrent Plots; RQA: Recu...

Journal: :Science 1994

The most costly American earthquake since 1906 struck Los Angeles on 17 January 1994. The magnitude 6.7 Northridge earthquake resulted from more than 3 meters of reverse slip on a 15-kilometer-long south-dipping thrust fault that raised the Santa Susana mountains by as much as 70 centimeters. The fault appears to be truncated by the fault that broke in the 1971 San Fernando earthquake at a dept...

2014
Katsuichiro Goda Paul Martin Mai Tomohiro Yasuda Nobuhito Mori

In this study, we develop stochastic random-field slip models for the 2011 Tohoku earthquake and conduct a rigorous sensitivity analysis of tsunami hazards with respect to the uncertainty of earthquake slip and fault geometry. Synthetic earthquake slip distributions generated from the modified Mai-Beroza method captured key features of inversion-based source representations of the mega-thrust e...

Journal: :Bulletin of the Geological Society of Greece 2017

Anoushirvan Ansari Asadollah Norzad Natasha Zamani

In this paper the effects of uncertainties in the estimation of seismic hazard parameters is considered. These uncertainties are the result of the intricacy of the matter, restriction in identifying the interfering factors and lack of ability in determining the effective elements. One of the methods in estimating the seismic hazard potential is probabilistic method. In this method with the hyp...

2005
Bruce E. Shaw

[1] One of the biggest assumptions, and a source of some of the biggest uncertainties in earthquake hazard estimation is the role of fault segmentation in controlling large earthquake ruptures. Here we apply a new model which produces sequences of elastodynamic earthquake events on complex segmented fault systems, and use these simulations to quantify the variation of large events. We find a nu...

2016
Farhana Sarwar Saleem Iqbal Muhammad Qaisar Abdul Rehman Faiza Akhtar Syed Mohsin Raza

This paper is about short review of earthquake statistics and efforts for earthquake mitigation, hazard and risk assessment studies in Pakistan. Pakistan and adjoining region lying between longitude 60 ̊E to 78 ̊E and latitude 20 ̊N to 45 ̊N are selected for the study as this region has a history of many large earthquakes because of its location in the region of intersection of three plates namely ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Timothy H Dixon Yan Jiang Rocco Malservisi Robert McCaffrey Nicholas Voss Marino Protti Victor Gonzalez

The 5 September 2012 M(w) 7.6 earthquake on the Costa Rica subduction plate boundary followed a 62-y interseismic period. High-precision GPS recorded numerous slow slip events (SSEs) in the decade leading up to the earthquake, both up-dip and down-dip of seismic rupture. Deeper SSEs were larger than shallower ones and, if characteristic of the interseismic period, release most locking down-dip ...

2005
HARESH C. SHAH

This paper describes a methodology to asses the uncertainty in seismic hazard estimates at particular sites. A variant of the bootstrap statistical method is used to combine the uncertainty due to earthquake catalog incompleteness, earthquake magnitude, and recurrence and attenuation models used. The uncertainty measure is provided in the form of a confidence interval. Comparisons of this metho...

2014
S. Hiemer J. Woessner R. Basili L. Danciu D. Giardini S. Wiemer

S U M M A R Y We present a time-independent gridded earthquake rate forecast for the European region including Turkey. The spatial component of our model is based on kernel density estimation techniques, which we applied to both past earthquake locations and fault moment release on mapped crustal faults and subduction zone interfaces with assigned slip rates. Our forecast relies on the assumpti...

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