Abstract
To investigate the thunderstorm activity according to electromagnetic radiation recorded data, it is necessary to create a local network which will be located near the Klyuchevskaya Sopka, Shiveluch and Tolbachik volcanoes. VLF direction finders, electric field sensors, synchronization system, auxiliary equipment will be installed at observation points. Based on the analysis of waveforms and spectral-temporal characteristics, the locations of radiation sources, their belonging to a certain class will be determined. The parameters, by which volcanic lightning differs from ordinary ones, will be determined. Examples of electromagnetic radiation occurring near the Shiveluch volcano are given. The information can be further used to monitor thunderstorm and volcanic activities.**
Highlights
Kamchatka is a land of spitfier mountains
The ash-gas mixture forms an eruptive column and an eruptive clouds (EC). This process is accompanied by dejecta electrification and generation of electric discharges of different intensity
The main method to detect high-current electric discharges of atmospheric origin is the variate-difference one. It consists in accurate determination of the delay time between the same pulse records at spaced basic stations followed by hyperbolas set reconstruction and search for their intersection
Summary
Kamchatka is a land of spitfier mountains In spite of this poetry, volcano fire breath is very hazardous. The main methods tracing EC propagation are direct observations of electromagnetic waves (EMW) in visible and infrared spectra. Such a type of observations is not always possible, for example, when the cloud cover is thick. The ash-gas mixture forms an eruptive column and an EC. This process is accompanied by dejecta electrification and generation of electric discharges of different intensity. Location of these charges gives us a notion on EC spatial location even when the cloud cover is thick [7, 9]
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