The annual period of the Earth’s seismic activity for 1964–2007

Autor:	L. S. Levitsky, N. N. Gor’kavyi, A. I. Dmitrotsa, A. E. Volvach
Rok vydání:	2009
Předmět:	Physics Hypocenter Northern Hemisphere Period (geology) General Medicine Information center Southern Hemisphere Seismology Latitude
Zdroj:	Bulletin of the Crimean Astrophysical Observatory. 105:150-155
ISSN:	1934-7863 0190-2717
DOI:	10.3103/s0190271709010185
Popis:	The catalog of the United States National Earthquake Information Center (NEIC, 2007) was used for a Fourier analysis of planetary seismic activity from 1964 to 2007 (401219 earthquakes with M ≥ 3 and hypocenter depths H ≥ 1 km) for the Northern Hemisphere (248291 events) and for the Southern Hemisphere (152928 events). The annual periodicity of weak earthquakes (M < 5.0) was verified with a high degree of reliability. All regularities (depending on the geographic latitude, hypocenter depths, and north-south asymmetry) revealed earlier (in 1964–1990) for this period are shown to exist for the period of 1964–2007.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::a3f0df5c88b61ab2e6734259a8e173ec https://doi.org/10.3103/s0190271709010185 Zobrazit plný text záznamu Full text from SpringerLink