Research paperAcoustic noise and temperature monitoring of the Crater Lake of Mount Ruapehu Volcano
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Engineering geology model of the Crater Lake outlet, Mt. Ruapehu, New Zealand, to inform rim breakout hazard
2018, Journal of Volcanology and Geothermal ResearchCitation Excerpt :Crater Lake has frozen over on two occasions (Park, 1887; Thomson, 1926). The Crater Lake experiences semi-regular heating cycles (Christenson and Wood, 1993; Hurst and Vandemeulebrouck, 1996; Werner et al., 2006; Christenson et al., 2010), controlling when the lake freezes over, and allowing this glacial lobe to rest above the outlet. The position of the glacier at this time is further supported by the outlet being described as an “ice tunnel” and the origin of the 1953 lahar (Fig. A.4) (O'Shea, 1954).
The 25 September 2007 eruption of Mount Ruapehu, New Zealand: Directed ballistics, surtseyan jets, and ice-slurry lahars
2010, Journal of Volcanology and Geothermal ResearchVariability of volcanic gas emissions during a crater lake heating cycle at Ruapehu Volcano, New Zealand
2006, Journal of Volcanology and Geothermal ResearchHydroacoustic noise precursors of the 1990 eruption of Kelut Volcano, Indonesia
2000, Journal of Volcanology and Geothermal ResearchCitation Excerpt :In their study, signals between 0.5 and 2 Hz were recorded and attributed to microseisms, local seismic events, and movement of magma or hydrothermal fluids, whereas a powerful emission around 40 Hz was ascribed to the jet noise generated by hot water flow through a hydrothermal chimney. More recently, for the second hydroacoustic crater lake experiment ever, the measurements in the Ruapehu Crater lake, New Zealand, during a warming up of the lake showed that the low-frequency seismic and acoustic signals are associated with the onset of a heat transfer process in the lake, several days before the rise of its temperature (Hurst and Vandemeulebrouck, 1996). In Appendix A, we provide a review of the most probable sources of underwater sound in a crater lake.
Earthquake swarms to the west of Mt Ruapehu preceding its 1995 eruption
1999, Journal of Volcanology and Geothermal ResearchSeismicity of Ruapehu volcano, New Zealand, 1971-1996: A review
1999, Journal of Volcanology and Geothermal Research