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Abstract
In June 2007, the Pu'u 'Ō'ō-Kūpaianaha eruption of Kīlauea Volcano was interrupted when magma intruded the east rift zone (ERZ), resulting in a small extrusion of lava near Makaopuhi Crater. Deformation associated with the activity was exceptionally well-documented by ASAR interferometry, which indicates deflation of the summit and uplift and extension of the ERZ. Models of co-intrusion interferograms suggest that the dike was emplaced in two distinct segments. The modeled volume of the dike greatly exceeds that of the deflation source, raising the possibility that magma from the downrift Pu'u 'Ō'ō vent (dominant extrusion site at Kīlauea since 1983) contributed to the eruption near Makaopuhi, or that the magma that fed the eruption from the summit was compressible. A month following the Makaopuhi eruption, an eruptive fissure opened on the east flank of Pu'u 'Ō'ō. Interferograms, processed within 48 hours of the event, were critical in demonstrating that the magma source feeding the eruption was shallow. The eruption probably resulted from overpressure in Pu'u 'Ō'ō's magmatic system.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | InSAR observations of deformation associated with new episodes of volcanism at Kilauea Volcano, Hawai'i, 2007 |
| Year Published | 2008 |
| Language | English |
| Contributing office(s) | Hawaiian Volcano Observatory, Volcano Hazards Team |
| Description | 7 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | European Space Agency, (Special Publication) ESA SP |
| Conference Title | Fringe 2007 Workshop |
| Conference Location | Frascati |
| Conference Date | November 26-30, 2007 |
| Country | United States |
| State | Hawaii |
| Other Geospatial | Kilauea Volcano |
| Google Analytic Metrics | Metrics page |