The Uwekahuna Ash Member of the Puna Basalt: product of violent phreatomagmatic eruptions at Kilauea volcano, Hawaii, between 2800 and 2100 14C years ago
Journal of Volcanology and Geothermal Research
By: D. Dzurisin, J. P. Lockwood, T. J. Casadevall, and M. Rubin
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Abstract
Kilauea volcano's reputation for relatively gentle effusive eruptions belies a violent geologic past, including several large phreatic and phreatomagmatic eruptions that are recorded by Holocene pyroclastic deposits which mantle Kilauea's summit area and the southeast flank of adjacent Mauna Loa volcano. The most widespread of these deposits is the Uwekahuna Ash Member, a basaltic surge and fall deposit emplaced during two or more eruptive episodes separated by a few decades to several centuries. It is infered that the eruptions which produced the Uwekahuna were driven by water interacting with a fluctuating magma column. The volume, extent and character of the Uwekahuna deposits underscore the hazards posed by relatively infrequent but potentially devastating explosive eruptions at Kilauea, as well as at other basaltic volcanoes. -from Authors
Suggested Citation
Dzurisin, D., Lockwood, J.P., Casadevall, T.J., and Rubin, M., 1995, The Uwekahuna Ash Member of the Puna Basalt: product of violent phreatomagmatic eruptions at Kilauea volcano, Hawaii, between 2800 and 2100 14C years ago: Journal of Volcanology and Geothermal Research, v. 66, no. 1-4, p. 163-184, https://doi.org/10.1016/0377-0273(94)00062-L.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Uwekahuna Ash Member of the Puna Basalt: product of violent phreatomagmatic eruptions at Kilauea volcano, Hawaii, between 2800 and 2100 14C years ago |
| Series title | Journal of Volcanology and Geothermal Research |
| DOI | 10.1016/0377-0273(94)00062-L |
| Volume | 66 |
| Issue | 1-4 |
| Year Published | 1995 |
| Language | English |
| Publisher | Elsevier |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Volcanology and Geothermal Research |
| First page | 163 |
| Last page | 184 |