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Science 30 June 2000:
Vol. 288. no. 5475, pp. 2343 - 2346
DOI: 10.1126/science.288.5475.2343
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Reports
High Magma Storage Rates Before the 1983 Eruption of Kilauea, Hawaii
Valérie Cayol,
1*
James H. Dieterich,
1
Arnold T. Okamura,
2
Asta Miklius
2
After a magnitude 7.2 earthquake in 1975 and before the start of
the ongoing eruption in 1983, deformation of Kilauea volcano was the
most rapid ever recorded. Three-dimensional numerical modeling shows
that this deformation is consistent with the dilation of a dike within
Kilauea's rift zones coupled with creep over a narrow area of a
low-angle fault beneath the south flank. Magma supply is estimated to
be 0.18 cubic kilometers per year, twice that of previous estimates.
The 1983 eruption may be a direct consequence of the high rates of
magma storage within the rift zone that followed the 1975 earthquake.
1 U.S. Geological Survey, 345 Middlefield Road,
MS 977, Menlo Park, CA 94025, USA.
2 U.S. Geological
Survey, Hawaiian Volcano Observatory, HI 96718, USA.
*
Present address: Laboratoire Magmas et Volcans-UMR 6524, 5 rue Kessler, 63000 Clermont-Ferrand, France.
To whom correspondence should be addressed. E-mail:
cayol{at}opgc.univ-bpclermont.fr
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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
- Magmatically Triggered Slow Slip at Kilauea Volcano, Hawaii.
- B. A. Brooks, J. Foster, D. Sandwell, C. J. Wolfe, P. Okubo, M. Poland, and D. Myer (2008)
Science
321, 1177
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- Dynamics of magma supply to Kilauea volcano, Hawai'i: integrating seismic, geodetic and eruption data.
- T. L. Wright and F. W. Klein (2008)
Geological Society, London, Special Publications
304, 83-116
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- A Petrologic Perspective of Kilauea Volcano's Summit Magma Reservoir.
- M. O. GARCIA, A. J. PIETRUSZKA, and J. M. RHODES (2003)
J. Petrology
44, 2313-2339
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