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An Investigation Of Microseismicity During The 2018 Kilauea Caldera Collapse, Isabella S. Metts
An Investigation Of Microseismicity During The 2018 Kilauea Caldera Collapse, Isabella S. Metts
Dissertations, Master's Theses and Master's Reports
The 2018 Kīlauea volcano eruption and incremental caldera collapse was accompanied by more than 60,000 seismic events cataloged by the Hawaiian Volcano Observatory as well as 62 caldera collapse events that occurred roughly once per day. The majority of seismicity occurred on the eastern side of the caldera between daily collapses. However, the majority of caldera subsidence occurred to the west. To understand the collapse mechanics behind this variance in subsidence and seismicity across the caldera region, repetitive waveforms and source properties can be studied.
Repeating seismic events suggest a common source that is not moving or destroyed. At Kīlauea, …