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Seismic hazard parameters inferred from earthquake catalogues with time-varying completeness

Urheber*innen

Kijko,  Andrzej
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Pavlenko,  Vasyliy
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Zitation

Kijko, A., Pavlenko, V. (2023): Seismic hazard parameters inferred from earthquake catalogues with time-varying completeness, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2654


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019254
Zusammenfassung
The maximum likelihood estimation of the earthquake frequency-magnitude parameters (the Gutenberg–Richter b-value, the mean seismic activity rate and the area characteristic maximum possible earthquake magnitude is provided in the case of a time-varying level of completeness. In several recent studies, the catalogue with the time-varying level of completeness is defined as one that can be divided into sub-catalogues, each with a sharp jump of. This work provides a maximum likelihood estimator of the earthquake frequency-magnitude parameters when the time-varying level of completeness is a continuous, smooth function without “jumps” and abrupt changes.