Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis

G. S. Mattioli, B. Voight, A. T. Linde, I. S. Sacks, P. Watts, C. Widwijayanti, S. R. Young, D. Hidayat, D. Elsworth, P. E. Malin, E. Shalev, E. Van Boskirk, W. Johnston, R. S.J. Sparks, J. Neuberg, V. Bass, P. Dunkley, R. Herd, T. Syers, P. WilliamsD. Williams

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Pyroclastic flows entering the sea may cause tsunamis at coastal volcanoes worldwide, hut geophysically monitored field occurrences are rare. We document the process of tsunami generation during a prolonged gigantic collapse of the Soufrière Hills volcano lava dome on Montserrat on 12-13 July 2003. Tsunamis were initiated by large-volume pyroclastic flows entering the ocean. We reconstruct the collapse from seismic records and report unique and remarkable borehole dilatometer observations, which recorded clearly the passage of wave packets at periods of 250-500 s over several hours. Strain signals are consistent in period and amplitude with water loading from passing tsunamis; each wave packet can be correlated with individual pyroclastic flow packages recorded by seismic data, proving that multiple tsunamis were initiated by pyroclastic flows. Any volcano within a few kilometers of water and capable of generating hot pyroclastic flows or cold debris flows with volumes greater than 5 × 106 m3 may generate significant and possibly damaging tsunamis during future eruptions.

Original languageEnglish (US)
Pages (from-to)25-28
Number of pages4
JournalGeology
Volume35
Issue number1
DOIs
StatePublished - Jan 1 2007

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pyroclastic flow
tsunami
volcano
lava dome
debris flow
seismic data
volcanic eruption
borehole
water
ocean

All Science Journal Classification (ASJC) codes

  • Geology

Cite this

Mattioli, G. S., Voight, B., Linde, A. T., Sacks, I. S., Watts, P., Widwijayanti, C., ... Williams, D. (2007). Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis. Geology, 35(1), 25-28. https://doi.org/10.1130/G22931A.1
Mattioli, G. S. ; Voight, B. ; Linde, A. T. ; Sacks, I. S. ; Watts, P. ; Widwijayanti, C. ; Young, S. R. ; Hidayat, D. ; Elsworth, D. ; Malin, P. E. ; Shalev, E. ; Van Boskirk, E. ; Johnston, W. ; Sparks, R. S.J. ; Neuberg, J. ; Bass, V. ; Dunkley, P. ; Herd, R. ; Syers, T. ; Williams, P. ; Williams, D. / Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis. In: Geology. 2007 ; Vol. 35, No. 1. pp. 25-28.
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Mattioli, GS, Voight, B, Linde, AT, Sacks, IS, Watts, P, Widwijayanti, C, Young, SR, Hidayat, D, Elsworth, D, Malin, PE, Shalev, E, Van Boskirk, E, Johnston, W, Sparks, RSJ, Neuberg, J, Bass, V, Dunkley, P, Herd, R, Syers, T, Williams, P & Williams, D 2007, 'Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis', Geology, vol. 35, no. 1, pp. 25-28. https://doi.org/10.1130/G22931A.1

Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis. / Mattioli, G. S.; Voight, B.; Linde, A. T.; Sacks, I. S.; Watts, P.; Widwijayanti, C.; Young, S. R.; Hidayat, D.; Elsworth, D.; Malin, P. E.; Shalev, E.; Van Boskirk, E.; Johnston, W.; Sparks, R. S.J.; Neuberg, J.; Bass, V.; Dunkley, P.; Herd, R.; Syers, T.; Williams, P.; Williams, D.

In: Geology, Vol. 35, No. 1, 01.01.2007, p. 25-28.

Research output: Contribution to journalArticle

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AU - Mattioli, G. S.

AU - Voight, B.

AU - Linde, A. T.

AU - Sacks, I. S.

AU - Watts, P.

AU - Widwijayanti, C.

AU - Young, S. R.

AU - Hidayat, D.

AU - Elsworth, D.

AU - Malin, P. E.

AU - Shalev, E.

AU - Van Boskirk, E.

AU - Johnston, W.

AU - Sparks, R. S.J.

AU - Neuberg, J.

AU - Bass, V.

AU - Dunkley, P.

AU - Herd, R.

AU - Syers, T.

AU - Williams, P.

AU - Williams, D.

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Mattioli GS, Voight B, Linde AT, Sacks IS, Watts P, Widwijayanti C et al. Unique and remarkable dilatometer measurements of pyroclastic flow-generated tsunamis. Geology. 2007 Jan 1;35(1):25-28. https://doi.org/10.1130/G22931A.1