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A software package used by engineers and seismologists to perform site-specific earthquake hazard analysis. The key capabilities are:
Seismic Hazard Analysis — calculating the probability of earthquake ground shaking at the surface or in the bedrock beneath a site based on the location of surrounding faults.
Spectral Matching — adjusting an accelerogram to match a target response spectrum, while preserving realistic time-dependent characteristics of the ground motion.
Site Response Analysis — calculating the ground motion at the surface given a bedrock ground motion and the layers of soil and rock that overlay the bedrock at the site.
Earthquake catalogues are probably the most fundamental products of seismology and remain arguably the most useful for tectonic studies. Modern seismograph networks can locate up to hundreds of thousands of earthquakes annually, providing a continuous and sometime overwhelming stream of data. Z MAP is a set of tools driven by a graphical user interface (GUI), designed to help seismologists analyse catalogue data. Z MAP is primarily a research tool suited to the evaluation of catalogue quality and to addressing specific hypotheses; however, it can also be useful in routine network operations. Z MAP was first published in 1994, with the last major release, version 6.0, in 2001.
Map Seis is an open-source software framework with focus on statistical seismology and seismicity forecasting and testing. It addresses the need of today’s scientist working in this field by providing a variety of handy tools and functions. Map Seis has been built with expandability and maintainability in mind and features a plug-in system as well as a well defined application interfaces (API). Being the successor project of ZMAP the goal is to surpass the functionalities and eventually replace it.
Mirone is a MATLAB-based framework tool that allows the display and manipulation of a large number of grid/images formats through its interface with the GDAL library. Its main purpose is to provide users with an easy-to-use graphical interface to manipulate GMT grids. In addition it offers a wide range of tools dedicated to topics in the earth sciences, including tools for multibeam mission planning, elastic deformation studies, tsunami propagation modeling, earth magnetic field computations and magnetic Parker inversions, Euler rotations and poles computations, plate tectonic reconstructions, and seismicity and focal mechanism plotting. The high quality mapping and cartographic capabilities for which GMT is renowned is guaranteed through M irone’s ability to automatically generate GMT cshell scripts and dos batch files.
Kijko and G. Graham (1998)
Abstract: A new methodology for probabilistic seismic hazard analysis (PSHA) is described. The approach combines the best features of the “deductive” (Cornell, 1968) and “historical” (Veneziano et al., 1984) procedures. It can be called a “parametric-historic” procedure. The maximum regional magnitude m max is of paramount importance in this approach and Part I of our work presents some of the statistical techniques which can be used for its evaluation. The work is an analysis of parametric procedures for the evaluation of m max, when the form of the magnitude distribution is specified. For each of the formulae given there are notes on its origin, assumptions made of its derivation, and some comparisons.
To run the MapSeis and Zmap 6 softwares, you will need the Matlab 2010.
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