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Estimating the duration of the lithospheric failure cycle from earthquake catalogsстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 2 сентября 2014 г.
- Автор: Smirnov V.B.
- Журнал: Izvestiya. Physics of the Solid Earth
- Том: 39
- Номер: 10
- Год издания: 2003
- Издательство: Pleiades Publishing, Inc.
- Местоположение издательства: New York, USA
- Первая страница: 794
- Последняя страница: 811
- Аннотация: The incorporation of the fractal geometry of seismicity allows one to correctly extrapolate representative statistical estimates of seismicity parameters obtained in various volumes of the medium into the domain of physically actual spatial dimensions of fractured portions of the medium. On this basis, seismic statistics can be related to the physics of failure. This paper develops a methodological apparatus based on the generalized earthquake recurrence law and enabling the estimation of the duration of the failure cycle, which is one of the fundamental parameters of the seismic regime, from data of earthquake catalogs. Initial data were taken from two catalogs: the global catalog of the International Seismological Center and the regional catalog of the Kamchatka Experimental Methodological Seismological Department, Geological Service, Russian Academy of Sciences. Maps were constructed showing the distribution of the lithospheric failure cycle at the global level (the main seismic belts of the Earth) and at the regional level for the Kamchatka Peninsula. Estimates of the failure cycle duration based on data from these seismic catalogs for the last 40 years vary from a few hundreds of years to a few tens of thousands of years; this range agrees with the known direct estimates derived from paleoseismological and geological data in various regions. Regular patterns of the seismic cycle duration as a function of the failure scale are established, and their typical distinctions between compressional (island arc) and extensional (oceanic rift) tectonic structures are discovered. The results are discussed in terms of the kinetic concept of strength.
- Добавил в систему: Смирнов Владимир Борисович
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Smirnov2003_en.pdf | 1,3 МБ | 31 августа 2014 [vbs60] |