Network-Based Evaluation of the Infrasonic Source Location at Sakurajima Volcano, Japan

McKee, Kathleen; Fee, David; Rowell, Colin; Yokoo, Akihiko

doi:10.1785/0220140119

Cited by 10 publications

(11 citation statements)

References 28 publications

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“…Any topographic barrier greater than the wavelength (e.g., 340 m for a 1 Hz sound wave) will likely cause significant diffraction (Pierce, 1981), as well as longer propagation paths and travel times to the sites. Winds are unlikely to be responsible for the variability observed at Sakurajima due to the relatively close station-vent distances and low wind speeds (McKee et al, 2014).…”

Section: Data Overview and Discussionmentioning

confidence: 99%

“…8 and 9). Manuscripts in this Focus Section by Kim and Lees (2014), McKee et al (2014), andYokoo et al (2014) discuss acoustic propagation and topographic effects at Sakurajima in more detail. They complement recent studies that have noted the significant effect of topography and diffraction on acoustic propagation from volcanoes (e.g., Kim and Lees, 2011;Lacanna and Ripepe, 2012), including a study by Lacanna et al (2014) on regional (tens of kilometers) infrasound propagation from Sakurajima in which wind is shown to play an important role.…”

Section: Data Overview and Discussionmentioning

confidence: 99%

“…Kim and Lees (2014) use novel graphical processing unit-based finite difference time domain processing to investigate 3D infrasound propagation and source localization. McKee et al (2014) test the network semblance method on acoustic source localization at Sakurajima and use it to help characterize volcanic activity. focus on the variety of explosions signals at Sakurajima and other volcanoes that do not fit within previous volcanic explosion models.…”

Section: Introductionmentioning

confidence: 99%

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Introduction to an Open Community Infrasound Dataset from the Actively Erupting Sakurajima Volcano, Japan

Fee

Yokoo

Johnson

2014

Seismological Research Letters

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Section: Data Overview and Discussionmentioning

confidence: 99%

Section: Data Overview and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Introduction to an Open Community Infrasound Dataset from the Actively Erupting Sakurajima Volcano, Japan

Fee

Yokoo

Johnson

2014

Seismological Research Letters

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“…1). The increased scattering in correlation with lag times is most likely occurring from topographical effects (e.g., McKee et al 2014). The explanation for the frequency contrasts in the eruptive pulses could also be due to the type of eruption mechanism and will be described later.…”

Section: Insights Into Eruption Dynamics Using Infrasoundmentioning

confidence: 92%

Geophysical examination of the 27 April 2016 Whakaari/White Island, New Zealand, eruption and its implications for vent physiognomies and eruptive dynamics

Walsh

Procter

Lokmer

et al. 2019

Earth Planets Space

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At approximately 09:36 UTC on 27 April 2016, a phreatic eruption occurred on Whakaari Island (White Island) producing an eruption sequence that contained multiple eruptive pulses determined to have occurred over the first 30 min, with a continuing tremor signal lasting ~ 2 h after the pulsing sequence. To investigate the eruption dynamics, we used a combination of cross-correlation and coherence methods with acoustic data. To estimate locations for the eruptive pulses, seismic data were collected and eruption vent locations were inferred through the use of an amplitude source location method. We also investigated volcanic acoustic-seismic ratios for comparing inferred initiation depths of each pulse. Initial results show vent locations for the eruptive pulses were found to have possibly come from two separate locations only ~ 50 m apart. These results compare favorably with acoustic lag time analysis. After error analysis, eruption sources are shown to conceivably come from a single vent, and differences in vent locations may not be constrained. Both vent location scenarios show that the eruption pulses gradually increase in strength with time, and that pulses 1, 3, 4, and 5 possibly came from a deeper source than pulses 2 and 6. We show herein that the characteristics and locations of volcanic eruptions can be better understood through joint analysis combining data from several data sources.

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“…This instantaneous depressurization drives gas exsolution/expansion and can cause magma fragmentation. Fragmentation occurs when magma expands so quickly (typically due to rapid decompression) that it reacts as a brittle solid rather than a viscous fluid, and tears apart to form ash and pyroclasts (Alatorre-Ibargüengoitia et al, 2011;Mckee et al, 2014). Subsurface magma movement and eruptions at the surface produce pressure waves that travel through the solid earth (seismic) and the atmosphere (acoustic).…”

Section: The Vulcanian Eruption Processmentioning

confidence: 99%

Volcano Infrasound Monitoring with Applications for Statistical Forecasting of Explosions at Sakurajima (Japan)

VonLintig¹

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My fearless advisor, Jeff, who showed no sign of fear when taking me on as a grad student; if Jeff hadn't gave me the idea of continuing my education in geophysics I surely would not be where I am right now. My committee members, both official and otherwise, for relating to me as a graduate student by sharing stories and experiences, for getting excited about my research and giving me opportunities to push myself, and for providing me with essential feedback that will help me grow as a scientist, speaker, writer, and person. My friend, colleague, and cubicle-mate Tate, for entertaining my imagination with chats about giant squid, black holes, and √ 2; and for raising the bar, helping lift me towards that bar, and walking back to the office after a couple beers at the bar. My grandmother, Wilma, for sharing with me her passion for knowledge, her excitement and curiosity, and her love for life. My parents, Bob and Stephanie, for their unconditional love and support for the past 26.386111 years. My older brother, Mike, for expanding my forward view on life by clearing lowhanging branches that obscure vision through blazing a trail of his own. The Geophysics Club, for engaging in community activities and putting in their iv blood, sweat, and time (no tears) in pursuit of answers. The people who I saw every day in the ERB, for being friendly faces and a positive influence on myself and my studies. And you, for re-igniting my inspiration and childishness just as I found myself getting complacent; and for being 'not just anybody'. v

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Network-Based Evaluation of the Infrasonic Source Location at Sakurajima Volcano, Japan

Cited by 10 publications

References 28 publications

Introduction to an Open Community Infrasound Dataset from the Actively Erupting Sakurajima Volcano, Japan

Introduction to an Open Community Infrasound Dataset from the Actively Erupting Sakurajima Volcano, Japan

Geophysical examination of the 27 April 2016 Whakaari/White Island, New Zealand, eruption and its implications for vent physiognomies and eruptive dynamics

Volcano Infrasound Monitoring with Applications for Statistical Forecasting of Explosions at Sakurajima (Japan)

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