Change in the amplitude indicators in tidal variations of gravity during the preparation of nearby earthquakes

Autor:	Maksim G. Valitov, Zoya N. Proshkina
Jazyk:	English<br />Russian
Rok vydání:	2021
Předmět:	tidal variations of gravity geodynamics seismicity gravity effect Dynamic and structural geology QE500-639.5 Stratigraphy QE640-699 Engineering geology. Rock mechanics. Soil mechanics. Underground construction TA703-712 Petrology QE420-499
Zdroj:	Геосистемы переходных зон, Vol 5, Iss 3, Pp 223-228 (2021)
Druh dokumentu:	article
ISSN:	2541-8912 2713-2161
DOI:	10.30730/gtrz.2021.5.3.223-228
Popis:	The authors revealed an effect of gravitational field variations for the principal lunar wave O1, which preceded nearby earthquakes, using for the first time the approach based on the method of calculating tidal parameters in a sliding window with various window width (from 30 to 120 days). Since the observed data were free from the oceanic load, this effect is assumed to be associated with a local restructuring of the density medium in the solid Earth. A seasonal cyclycity was revealed for the K1 wave. Such cyclycity was not taken into account when compiling a solid Earth model PREM (preliminary reference Earth model).
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/d37fb8c383e84cbda3becdac0d75d1a9 Zobrazit plný text záznamu View record in DOAJ