Analysis of reports and crackling sounds with associated magnetic field disturbances recorded during a geomagnetic storm on March 7, 2012 in southern Finland

Unto K. Laine*

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Audio- and magnetic field signals were recorded during a geomagnetic storm on March 7, 2012, on open fields at Karkkila, approximately 70 km north of Helsinki by using a Zoom H4n recorder. Almost 90 distinct sound events like short claps, loud reports, or even a crackling sound were recorded. The paper describes the methods used and the results obtained in the audio- and magnetic field signal analysis. Relationship between the instances of the sound events and the geomagnetic activity is described. It is shown that the spectral properties of the crackling sound and the reports are similar. The challenges in finding connections between individual sounds and the corresponding magnetic field fluctuations are demonstrated and discussed.

    Original languageEnglish
    Title of host publication144th Audio Engineering Society International Convention 2018
    PublisherAudio Engineering Society
    Pages650-656
    ISBN (Print)978-1-5108-6474-0
    Publication statusPublished - 1 Jan 2018
    MoE publication typeA4 Conference publication
    EventAudio Engineering Society Convention - Milan, Italy
    Duration: 23 May 201826 May 2018
    Conference number: 144

    Conference

    ConferenceAudio Engineering Society Convention
    Abbreviated titleAES
    Country/TerritoryItaly
    CityMilan
    Period23/05/201826/05/2018

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