Art

J-GLOBAL ID：200902256030937747   Reference number：09A0820677

Precursors of earthquakes in the line-of-sight propagation on VHF band

VHF帯の見通し伝搬における地震前兆

Author (1)： MOTOJIMA K. (Gunma Univ., Gunma, JPN)
Material： Journal of Atmospheric Electricity  (J Atmos Electr)
Volume： 29  Issue： 2  Page： 95-104  Publication year： Jul. 2009 
JST Material Number： L3013A  ISSN： 0919-2050  Document type： Article
Article type： 原著論文  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： VHF ,  *radio wave propagation ,  earthquake precursor ,  seismic activity ,  signal characteristic ,  *anomaly ,  *generation ,  television broadcast ,  hypocenter ,  LF ,  electromagnetic wave ,  radiation ,  microcrack ,  crack propagation ,  ionosphere ,  scattering ,  troposphere ,  electrical conductivity ,  *earthquake ,  signal intensity ,  *earthquake generation ,  wave source
Semi thesaurus term： *見通し伝搬 ,  earthquake precursor ,  地球電磁気現象 ,  propagation path ,  *異常電波伝搬 ,  短期地震予知 ,  低周波電磁波放射 ,  微小亀裂伝搬 ,  異常電波散乱

JST classification (2)： Seismic activity  (DC03030L) ,  Radiowave propagation in general  (ND05010Q)

Reference (10)：

• FRASER-SMITH, A. C. Low-frequency magnetic field measurements near the epicenter of the Ms 7.1 Loma Prieta earthquake. Geophys. Res. Lett. 1990, 17, 9, 1465-1468
• FUJIWARA, H. Atmospheric anomalies observed during earthquake occurrences. Geophys. Res. Lett. 2004, 31, L17110
• FUKUMOTO, Y. Reception of over-horizon FM signals associated with earthquakes. Seismo Electromagnetics (Lithosphere-Atmosphere-Ionosphere Coupling). 2002, 263-266
• HAYAKAWA, M. Results of ultra-low-frequency magnetic field measurements during the Guam earthquake of 8 August 1993. Geophys. Res. Lett. 1996, 23, 3, 241-244
• HAYAKAWA, M. The precursory signature effect of the Kobe earthquake on VLF subionospheric signals. J. Commun. Res. Lab. 1996, 43, 2, 169-180

Terms in the title (4)： VHF ,  見通し ,  伝搬 ,  地震前兆