dorsal/arxiv
View SchemaThe application of the modified form of Bath's law to the North Anatolian Fault Zone
| Authors | S. E. Yalcin, M. L. Kurnaz |
|---|---|
| Categories | |
| ArXiv ID | physics/0608064 |
| URL | https://arxiv.org/abs/physics/0608064 |
Abstract
Earthquakes and aftershock sequences follow several empirical scaling laws: One of these laws is Bath's law for the magnitude of the largest aftershock. In this work, Modified Form of Bath's Law and its application to KOERI data have been studied. Bath's law states that the differences in magnitudes between mainshocks and their largest detected aftershocks are approximately constant, independent of the magnitudes of mainshocks and it is about 1.2. In the modified form of Bath's law for a given mainshock we get the inferred largest aftershock of this mainshock by using an extrapolation of the Gutenberg-Richter frequency-magnitude statistics of the aftershock sequence. To test the applicability of this modified law, 6 large earthquakes that occurred in Turkey between 1950 and 2004 with magnitudes equal to or greater than 6.9 have been considered. These earthquakes take place on the North Anatolian Fault Zone. Additionally, in this study the partitioning of energy during a mainshock-aftershock sequence was also calculated in two different ways. It is shown that most of the energy is released in the mainshock. The constancy of the differences in magnitudes between mainshocks and their largest aftershocks is an indication of scale-invariant behavior of aftershock sequences.
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"abstract": "Earthquakes and aftershock sequences follow several empirical scaling laws:\nOne of these laws is Bath\u0027s law for the magnitude of the largest aftershock. In\nthis work, Modified Form of Bath\u0027s Law and its application to KOERI data have\nbeen studied. Bath\u0027s law states that the differences in magnitudes between\nmainshocks and their largest detected aftershocks are approximately constant,\nindependent of the magnitudes of mainshocks and it is about 1.2. In the\nmodified form of Bath\u0027s law for a given mainshock we get the inferred largest\naftershock of this mainshock by using an extrapolation of the Gutenberg-Richter\nfrequency-magnitude statistics of the aftershock sequence. To test the\napplicability of this modified law, 6 large earthquakes that occurred in Turkey\nbetween 1950 and 2004 with magnitudes equal to or greater than 6.9 have been\nconsidered. These earthquakes take place on the North Anatolian Fault Zone.\nAdditionally, in this study the partitioning of energy during a\nmainshock-aftershock sequence was also calculated in two different ways. It is\nshown that most of the energy is released in the mainshock. The constancy of\nthe differences in magnitudes between mainshocks and their largest aftershocks\nis an indication of scale-invariant behavior of aftershock sequences.",
"arxiv_id": "physics/0608064",
"authors": [
"S. E. Yalcin",
"M. L. Kurnaz"
],
"categories": [
"physics.geo-ph"
],
"title": "The application of the modified form of Bath\u0027s law to the North Anatolian Fault Zone",
"url": "https://arxiv.org/abs/physics/0608064"
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