Explosive processes during the 2015 eruption of A xial S eamount, as recorded by seafloor hydrophones

Caplan‐Auerbach, J.; Dziak, R. P.; Haxel, J.; Bohnenstiehl, D. R.; Garcia, C.

doi:10.1002/2016gc006734

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i

Explosive processes during the 2015 eruption of A xial S eamount, as recorded by seafloor hydrophones

2017
By Caplan‐Auerbach, J. ; Dziak, R. P. ; Haxel, J. ; ...
Source: Geochemistry, Geophysics, Geosystems, 18(4), 1761-1774

[PDF-4.27 MB]

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Details:

Journal Title:

Geochemistry, Geophysics, Geosystems
Personal Author:

Caplan‐Auerbach, J. ; Dziak, R. P. ; Haxel, J. ; Bohnenstiehl, D. R. ; Garcia, C.

Caplan‐Auerbach, J. ; Dziak, R. P. ; Haxel, J. ; Bohnenstiehl, D. R. ; Garcia, C. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIMRS (Cooperative Institute for Marine Resources Studies) ; PMEL (Pacific Marine Environmental Laboratory)

OAR (Oceanic and Atmospheric Research) ; CIMRS (Cooperative Institute for Marine Resources Studies) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

Following the installation of the Ocean Observatories Initiative cabled array, the 2015 eruption of Axial Seamount, Juan de Fuca ridge, became the ﬁrst submarine eruption to be captured in real time by seaﬂoor seismic and acoustic instruments. This eruption also marked the ﬁrst instance where the entireeruption cycle of a submarine volcano, from the previous eruption in 2011 to the end of the month-long 2015 event, was monitored continuously using autonomous ocean bottom hydrophones. Impulsive sounds associated with explosive lava-water interactions are identiﬁed within hydrophone records during botheruptions. Explosions within the caldera are acoustically distinguishable from those occurring in association with north rift lava ﬂows erupting in 2015. Acoustic data also record a series of broadband diffuse events, occurring in the waning phase of the eruption, and are interpreted as submarine Hawaiian explosions. Thistransition from gas-poor to gas-rich eruptive activity coincides with an increase in water temperature within
Keywords:

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Geochemistry And Petrology Geophysics
Source:

Geochemistry, Geophysics, Geosystems, 18(4), 1761-1774
DOI:

https://doi.org/10.1002/2016gc006734
ISSN:

1525-2027;1525-2027;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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Main Document Checksum:

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urn:sha256:2861f5d84bf26db681b85b850c94c60d8cf3435478a8f5fd3e9689593ab41eaf
Download URL:

https://repository.library.noaa.gov/view/noaa/52768/noaa_52768_DS1.pdf
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Machine readable version (XML)

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