Electric and electromagnetic processes in the near-Earth atmosphere before earthquakes on Kamchatka

被引：15

作者：

Mikhailov, Yu. M. ^{[1
]}

Mikhailova, G. A.

Kapustina, O. V.

Druzhin, G. I.

Smirnov, S. E.

机构：

[1] Russian Acad Sci, Pushkov Inst Terr Magnetism Ionosphere & Radiowav, Troitsk 142190, Moscow, Russia

[2] Russian Acad Sci, Inst Cosmophys Res & Radiowave Propagat, Far E Div, Elizovo Raion 684034, Kamchatka, Russia

来源：

GEOMAGNETISM AND AERONOMY | 2006年 / 46卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

92.60.Pw;

D O I：

10.1134/S0016793206060156

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Simultaneous records of the diurnal variations in the quasistatic electric field in the near-Earth atmosphere, fluxes of discrete electromagnetic pulses in the VLF band, source azimuths, narrowband filter output emission intensity at frequencies of 4.65 and 5.3 kHz, and time forms and spectra of VLF pulses have been analyzed. The anomalous behavior of these parameters in October 2002 and August 2004 with different time delay was accompanied by earthquakes near the southeastern coast of Kamchatka at distances of 250 - 400 km from the registration points. Based on the results of a fine frequency-time analysis of the broadband records of VLF signals, it has been indicated for the first time that discrete electromagnetic pulses observed in anomalous fluxes before earthquakes were signals of local thunderstorm processes.

引用

页码：796 / 808

页数：13

共 20 条

[1]

BORODINA SV, 1960, IZV VYSSH UCHEBN ZAV, V3, P5

[2]

Buzevich A. V., 2003, P 5 RUSS C ATM EL IZ, V2, P72

[3]

Buzevich A. V, 1998, KRONOTSK EARTHQUAKE, P177

[4]

BUZEVICH AV, 1998, SPECIAL HARDWARE SOF

[5]

Druzhin G. I., 2001, P 2 INT C SOL TERR C, P32

[6]

Druzhin G.I., 2002, VULKANOL SEISMOL+, P51

[7]

GOKHBERG MB, 1988, SEISMOELECTROMAGNETI

[8]

MIGUNOV NI, 1983, VULKANOL SEISMOL, V4, P93

[9]

Mikhailov YM, 2005, GEOMAGN AERONOMY+, V45, P778

[10]

MIKHAILOV YM, 2006, IN PRESS GEOMAGN AER, V46

← 1 2 →