Mantle fault zone beneath Kilauea Volcano, Hawaii

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Relocations and focal mechanism analyses of deep earthquakes (???13 kilometers) at Kilauea volcano demonstrate that seismicity is focused on an active fault zone at 30-kilometer depth, with seaward slip on a low-angle plane, and other smaller, distinct fault zones. The earthquakes we have analyzed predominantly reflect tectonic faulting in the brittle lithosphere rather than magma movement associated with volcanic activity. The tectonic earthquakes may be induced on preexisting faults by stresses of magmatic origin, although background stresses from volcano loading and lithospheric flexure may also contribute.
Publication type Article
Publication Subtype Journal Article
Title Mantle fault zone beneath Kilauea Volcano, Hawaii
Series title Science
DOI 10.1126/science.1082205
Volume 300
Issue 5618
Year Published 2003
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Science
First page 478
Last page 480
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