Julia E. Gestrich
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View article: The acoustics of bulge rise and rupture at Strokkur geyser
The acoustics of bulge rise and rupture at Strokkur geyser Open
Geysers are natural geothermal features that episodically erupt hot water and steam due to the buildup and release of subsurface vapor bubbles. At Strokkur geyser, Iceland, eruptions begin with the growth of a surface bulge caused by risin…
View article: morphological response of the 13 May 2022 major explosion at Stromboli volcano through high-resolution UAS surveys
morphological response of the 13 May 2022 major explosion at Stromboli volcano through high-resolution UAS surveys Open
Since 2019, the frequency of major explosive eruptions at Stromboli volcano (Italy) has increased, heightening the exposure of population and scientists to the hazards posed by ejecta. Morphological changes can directly alter the hazard po…
View article: UAS‐Based Observations of Infrasound Directionality at Stromboli Volcano, Italy
UAS‐Based Observations of Infrasound Directionality at Stromboli Volcano, Italy Open
Infrasound (low frequency sound waves) can be used to monitor and characterize volcanic eruptions. However, infrasound sensors are usually placed on the ground, thus providing a limited sampling of the acoustic radiation pattern that can b…
View article: Lava fountain jet noise during the 2018 eruption of fissure 8 of Kīlauea volcano
Lava fountain jet noise during the 2018 eruption of fissure 8 of Kīlauea volcano Open
Real-time monitoring is crucial to assess hazards and mitigate risks of sustained volcanic eruptions that last hours to months or more. Sustained eruptions have been shown to produce a low frequency (infrasonic) form of jet noise. We analy…
View article: Acoustic observations of lava fountain activity during the 2021 Fagradalsfjall eruption, Iceland
Acoustic observations of lava fountain activity during the 2021 Fagradalsfjall eruption, Iceland Open
The 2021 eruption within the Fagradalsfjall volcanic system in Iceland provided a rare opportunity to record acoustic data generated by a basaltic fissure. Eruptive activity in May 2021 was defined by a sequence of repetitive lava fountain…
View article: Acoustic signals from the 2021 Cumbre Vieja eruption
Acoustic signals from the 2021 Cumbre Vieja eruption Open
<p>After 50 years of volcanic quiescence, on 19 September 2021, an eruption started on the western flank of the Cumbre Vieja ridge of La Palma, Canary Islands, Spain. The eruption was characterised by simultaneous effusive and explos…
View article: Fitting Jet Noise Similarity Spectra to Volcano Infrasound Data
Fitting Jet Noise Similarity Spectra to Volcano Infrasound Data Open
Infrasound (low‐frequency acoustic waves) has proven useful to detect and characterize subaerial volcanic activity, but understanding the infrasonic source during sustained eruptions is still an area of active research. Preliminary compari…
View article: Volcanic Jet Noise from the Kilauea Fissure 8 Lava Fountain
Volcanic Jet Noise from the Kilauea Fissure 8 Lava Fountain Open
<p>Seismic and acoustic signals are important for remote real time and post-eruption analysis of volcanic eruptions. To properly interpret these signals it is critical to connect their characteristics with eruption parameters. In thi…