Home > Research > Publications & Outputs > Explosive volcanic eruptions—IX. The transition...
View graph of relations

Explosive volcanic eruptions—IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity.

Research output: Contribution to Journal/MagazineJournal article

Published

Standard

Explosive volcanic eruptions—IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity. / Parfitt, E. A.; Wilson, L.
In: Geophysical Journal International, Vol. 121, No. 1, 1995, p. 226-232.

Research output: Contribution to Journal/MagazineJournal article

Harvard

APA

Vancouver

Parfitt EA, Wilson L. Explosive volcanic eruptions—IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity. Geophysical Journal International. 1995;121(1):226-232. doi: 10.1111/j.1365-246X.1995.tb03523.x

Author

Bibtex

@article{b41c6e637f4b4080b6b17584c24acae3,
title = "Explosive volcanic eruptions—IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity.",
abstract = "The commonest eruption styles of basaltic volcanoes involve Hawaiian lava fountaining or intermittent Strombolian explosions. We investigate the ways in which magma rise speed at depth, magma volatile content and magma viscosity control which of these eruption styles takes place. We develop a model of the degree of coalescence between gas bubbles in the magma which allows us to simulate the transition between the two extreme styles of activity. We find that magma rise speed is the most important factor causing the transition, with gas content and viscosity also influencing the rise speed at which the transition occurs. Counter to intuitive expectations, a decrease in gas content does not cause a transition from Hawaiian to Strombolian activity, but instead causes a transition to passive effusion of vesicular lava. Rather, a change from Hawaiian to Strombolian style requires a significant reduction in magma rise speed.",
keywords = "explosive eruptions • Hawaiian • Strombolian",
author = "Parfitt, {E. A.} and L. Wilson",
year = "1995",
doi = "10.1111/j.1365-246X.1995.tb03523.x",
language = "English",
volume = "121",
pages = "226--232",
journal = "Geophysical Journal International",
issn = "1365-246X",
publisher = "Wiley-Blackwell",
number = "1",

}

RIS

TY - JOUR

T1 - Explosive volcanic eruptions—IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity.

AU - Parfitt, E. A.

AU - Wilson, L.

PY - 1995

Y1 - 1995

N2 - The commonest eruption styles of basaltic volcanoes involve Hawaiian lava fountaining or intermittent Strombolian explosions. We investigate the ways in which magma rise speed at depth, magma volatile content and magma viscosity control which of these eruption styles takes place. We develop a model of the degree of coalescence between gas bubbles in the magma which allows us to simulate the transition between the two extreme styles of activity. We find that magma rise speed is the most important factor causing the transition, with gas content and viscosity also influencing the rise speed at which the transition occurs. Counter to intuitive expectations, a decrease in gas content does not cause a transition from Hawaiian to Strombolian activity, but instead causes a transition to passive effusion of vesicular lava. Rather, a change from Hawaiian to Strombolian style requires a significant reduction in magma rise speed.

AB - The commonest eruption styles of basaltic volcanoes involve Hawaiian lava fountaining or intermittent Strombolian explosions. We investigate the ways in which magma rise speed at depth, magma volatile content and magma viscosity control which of these eruption styles takes place. We develop a model of the degree of coalescence between gas bubbles in the magma which allows us to simulate the transition between the two extreme styles of activity. We find that magma rise speed is the most important factor causing the transition, with gas content and viscosity also influencing the rise speed at which the transition occurs. Counter to intuitive expectations, a decrease in gas content does not cause a transition from Hawaiian to Strombolian activity, but instead causes a transition to passive effusion of vesicular lava. Rather, a change from Hawaiian to Strombolian style requires a significant reduction in magma rise speed.

KW - explosive eruptions • Hawaiian • Strombolian

U2 - 10.1111/j.1365-246X.1995.tb03523.x

DO - 10.1111/j.1365-246X.1995.tb03523.x

M3 - Journal article

VL - 121

SP - 226

EP - 232

JO - Geophysical Journal International

JF - Geophysical Journal International

SN - 1365-246X

IS - 1

ER -