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Browsing by Author "Dziak, R. P."

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Browsing by Author "Dziak, R. P."

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  • Flux measurements of explosive degassing using a yearlong hydroacoustic record at an erupting submarine volcano 
    Dziak, R. P.; Baker, E. T.; Shaw, A. M.; Bohnenstiehl, D. R.; Chadwick, W. W., Jr.; Haxel, J. H.; Matsumoto, H.; Walker, S. L. (American Geophysical Union, 2012-11-29)
    The output of gas and tephra from volcanoes is an inherently disorganized process that makes reliable flux estimates challenging to obtain. Continuous monitoring of gas flux has been achieved in only a few instances at s ...
  • Seismic precursors and magma ascent before the April 2011 eruption at Axial Seamount 
    Dziak, R. P.; Haxel, J. H.; Bohnenstiehl, D. R.; Chadwick, W. W., Jr.; Nooner, S. L.; Fowler, M. J.; Matsumoto, H.; Butterfield, D. A. (Nature Publishing Group, 2012-07)
    Volcanoes at spreading centres on land often exhibit seismicity and ground inflation months to years before an eruption, caused by a gradual influx of magma to the source reservoir¹⁻⁴. Deflation and seismicity can occur ...
  • Spatiotemporal distribution of the seismicity along the Mid-Atlantic Ridge north of the Azores from hydroacoustic data: Insights into seismogenic processes in a ridge-hot spot context 
    Goslin, J.; Perrot, J.; Royer, J. -Y.; Martin, C.; Lourenco, N.; Luis, J.; Dziak, R. P.; Matsumoto, H.; Haxel, J.; Fowler, M. J.; Fox, C. G.; Lau, A. T. -K.; Bazin, S. (American Geophysical Union, 2012-02-24)
    The seismicity of the North Atlantic was monitored from May 2002 to September 2003 by the ‘SIRENA array’ of autonomous hydrophones. The hydroacoustic signals provide a unique data set documenting numerous low-magnitude e ...
  • Volcanic Eruptions in the Deep Sea 
    Rubin, K. H.; Soule, S. A.; Chadwick, W. W. Jr.; Fornari, D. J.; Clague, D. A.; Embley, R. W.; Baker, E. T.; Perfit, M. R.; Caress, D. W.; Dziak, R. P. (Oceanography Society, 2012)
    Volcanic eruptions are important events in Earth’s cycle of magma generation and crustal construction. Over durations of hours to years, eruptions produce new deposits of lava and/or fragmentary ejecta, transfer heat a ...

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