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Communication Dans Un Congrès Année : 2019

A global network of VLF antennas to detect earthquake precursors

Résumé

Earthquakes are naturally occurring hazards events, cause causalities and can damage lives and properties. Therefore, many researchers around the world study the methods of predicting earthquakes. Earthquake precursors span across a range of fields: chemical, electromagnetic, pressure, acoustic and animal sciences. Although previous research has been done in this field, most of the results are considered inconclusive, due to the lack of correlation between the observations and the earthquakes. In this work we are presenting a system which records electromagnetic signals, in the Very Low Frequency (VLF: 3 kHz - 30 kHz) range, 24 x 7 x 365, with the goal of identifying earthquake precursors. An individual system consists of a monopole antenna, a pre-amplifier, power supply, a central computer and a GPS unit. Accuracy of the GPS unit is of utmost importance to record the time of the precursor. These systems will be implemented around the globe, to get accurate measurements of time and location of earthquake precursors. The initial system has been deployed in Graz, Austria and the next system will be implemented in Sri Lanka. The main objective of this currently ongoing project is to accurately identify the VLF earthquake precursors and warn the public prior to the occurrence of a disastrous event.

Domaines

Volcanologie
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Dates et versions

insu-04476413 , version 1 (24-02-2024)

Identifiants

Citer

Patrick H. M. Galopeau, A. S. Maxworth, M. Y. Boudjada, H. U. Eichelberger. A global network of VLF antennas to detect earthquake precursors. American Geophysical Union, Fall Meeting 2019, Dec 2019, San Francisco, United States. pp.abstract #NH53C-0822. ⟨insu-04476413⟩
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