The web application AutoRate to decluster, to estimate completness of a catalog and seismicity rates of source zones
Francesco Martinelli e Carlo Meletti (2019).
Rapporti Tecnici INGV, n. 406.
During the process for assessing seismic hazard there are some recurring operations which can be automated, which are about analysing the input data elements. The recurring operations are based on standard procedures and well known algorithms, and are performed a number of times in the range of tens, or even hundreds. It is therefore important to guarantee the correctness of the elaborations, and to reduce the human intervention which is always a potential source of errors.
Specifically, we identified the following operations to be automated: the declustering of a catalog, the estimate of the catalogue completeness, the estimation of seismicity rates of source areas according to the Gutenberg-Richter distribution (G-R; [Gutenberg & Richter, 1944]).
To perform the above operations, we developed a web application, AutoRate. The application allows to use databases (including geographical databases) shared between the users, to have the code always updated and available to all the users, to use shared dedicated resources to perform the elaborations removing the load on personal computers. The application offers the users to choose different approaches for each operation; additionally, it is explicitly designed to host new approaches. The output format of each type of operation is independent from the selected algorithm. Each output format is designed to allow a rapid and simple comparison and to be immediately usable as input for the computation of the seismic hazard.
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