Waveform inversion of volcano-seismic signals assuming possible source geometries

Details Waveform inversion of volcano-seismic signals assuming possible source geometries Waveform inversion of volcano-seismic signals assuming possible source geometries

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3212302n&link_type=abstract

Geophysical Research Letters, Volume 32, Issue 12, CiteID L12302

Other

12

Seismology: Theory, Seismology: Volcano Seismology (8419), Volcanology: Hydrothermal Systems (0450, 1034, 3017, 3616, 4832, 8135), Volcanology: Volcano Monitoring (7280)

Scientific paper

We propose an approach to quantify the source of volcano-seismic signals assuming possible source geometries. Such an assumption reduces the number of free parameters in a waveform inversion, so we can quantify the source of these signals observed by a small number of seismic stations. We test this method by using the synthesized waveforms radiated by a fluid-filled crack and with seismic data observed at Kusatsu-Shirane Volcano. We find that waveform data from 2 to 3 three-component seismic stations surrounding the source enable us to estimate the source mechanism and location in the present approach.

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