Monitoring very-long-period seismicity at Kilauea Volcano, Hawaii

Details Monitoring very-long-period seismicity at Kilauea Volcano, Hawaii Monitoring very-long-period seismicity at Kilauea Volcano, Hawaii

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3718306d&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 18, CiteID L18306

Physics

3

Volcanology: Volcano Monitoring (7280), Volcanology: Effusive Volcanism, Volcanology: Explosive Volcanism

Scientific paper

On 19 March, 2008 eruptive activity returned to the summit of Kilauea Volcano, Hawaii with the formation of a new vent within the Halemaumau pit crater. The new vent has been gradually increasing in size, and exhibiting sustained degassing and the episodic bursting of gas slugs at the surface of a lava pond ˜200 m below the floor of Halemaumau. The spectral characteristics, source location obtained by radial semblance, and Hidden Markov Model pattern recognition of the degassing burst signals are consistent with an increase in gas content in the magma transport system beginning in October, 2007. This increase plateaus between March - September 2008, and exhibits a fluctuating pattern until 31 January, 2010, suggesting that the release of gas is slowly diminishing over time.

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