Voluminous eruption from a zoned magma body after an increase in supply rate at Axial Seamount

Chadwick, W. W.; Paduan, J. B.; Clague, D. A.; Dreyer, B. M.; Merle, S. G.; Bobbitt, A. M.; Caress, D. W.; Philip, B. T.; Kelley, D. S.; Nooner, S. L.

doi:10.1002/2016GL071327

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Voluminous eruption from a zoned magma body after an increase in supply rate at Axial Seamount

2016
By Chadwick, W. W. ; Paduan, J. B. ; Clague, D. A. ; ...
Source: Geophysical Research Letters, 43(23), 12063-12070.

[PDF-1.65 MB]

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Journal Title:

Geophysical Research Letters
Personal Author:

Chadwick, W. W. ; Paduan, J. B. ; Clague, D. A. ; Dreyer, B. M. ; Merle, S. G. ; ... More +

Chadwick, W. W. ; Paduan, J. B. ; Clague, D. A. ; Dreyer, B. M. ; Merle, S. G. ; Bobbitt, A. M. ; Caress, D. W. ; Philip, B. T. ; Kelley, D. S. ; Nooner, S. L. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research)
Description:

Axial Seamount is the best monitored submarine volcano in the world, providing an exceptional window into the dynamic interactions between magma storage, transport, and eruption processes in a mid-ocean ridge setting. An eruption in April 2015 produced the largest volume of erupted lava since monitoring and mapping began in the mid-1980s after the shortest repose time, due to a recent increase in magma supply. The higher rate of magma replenishment since 2011 resulted in the eruption of the most mafic lava in the last 500-600years. Eruptive fissures at the volcano summit produced pyroclastic ash that was deposited over an area of at least 8km(2). A systematic spatial distribution of compositions is consistent with a single dike tapping different parts of a thermally and chemically zoned magma reservoir that can be directly related to previous multichannel seismic-imaging results.
Source:

Geophysical Research Letters, 43(23), 12063-12070.
DOI:

https://doi.org/10.1002/2016GL071327
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Journal Article
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CC BY-NC-ND
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urn:sha256:dca226287f294c4c01d6319edd249266deb0eadeb8f209bff13313d2dfa4a5d3
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Voluminous eruption from a zoned magma body after an increase in supply rate at Axial Seamount

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