HR: 1340h
AN: G53B-0882    [Abstracts]
TI: Refined Deformation Models of the South Flank of Kilauea Volcano, Hawaii Based on Seafloor Geodetic Data from 2000 to 2004
AU: * Phillips, K A
EM: katiep@ucsd.edu
AF: Scripps Institution of Oceanography, 9500 Gilman Dr. Mail Code 0205, La Jolla, CA 92093 United States
AU: Chadwell, C D
EM: cchadwell@ucsd.edu
AF: Scripps Institution of Oceanography, 9500 Gilman Dr. Mail Code 0205, La Jolla, CA 92093 United States
AB: The south flank of Kilauea volcano undergoes large-scale deformation as a result of the active volcanism occurring there. This deformation has been well-monitored on shore, but since the majority of the volcano is underwater, seafloor geodetic measurements are necessary to fully resolve Kilauea's deformation signal. In order to make these measurements, we installed a seafloor geodetic array on the submerged south flank of Kilauea in November 2000 consisting of precision acoustic transponders and concrete benchmarks. Data have been collected at this array in November 2000, April 2002 and September 2004. These data are beginning to answer some outstanding questions about the collapse process and the horizons that may be accommodating slip on the volcano. We will present refined deformation models of the process occurring at Kilauea based on our seafloor measurements.
DE: 1209 Tectonic deformation (6924)
DE: 1222 Ocean monitoring with geodetic techniques (1225, 1641, 3010, 4532, 4556, 4560, 6959)
DE: 3070 Submarine landslides
DE: 8419 Volcano monitoring (7280)
SC: Geodesy [G]
MN: Fall Meeting 2005