Improved constraints on the estimated size and volatile content of the Mount St. Helens magma system from the 2004-2008 history of dome growth and deformation

Geophysical Research Letters

Volumn 36, Issue 20, 2009, Pages

  Mastin, Larry G ^a   Lisowski, Mike ^a   Roeloffs, Evelyn ^a   Beeler, Nick ^a  

^a CASCADES VOLCANO OBSERVATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CURVE-FIT; HOST ROCKS; INTEGRATED CORE; MAGMA RHEOLOGY; MAGMA SYSTEM; MOUNT ST. HELENS; NEWTONIANS; OVERPRESSURE; PLUG-INS; RESERVOIR VOLUME; SEMI-SOLIDS; VOLATILE CONTENTS;

DOMES;

CURVE FITTING;

COMPRESSIBILITY; CREEP; DEFLATION; DEFORMATION; DOME; HOST ROCK; MAGMA; OVERPRESSURE; RHEOLOGY; VOLATILE SUBSTANCE; VOLCANIC ERUPTION;

CASCADE RANGE; MOUNT SAINT HELENS; NORTH AMERICA; UNITED STATES; WASHINGTON [UNITED STATES];

EID: 72149100722     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2009GL039863     Document Type: Article

References (18)

1. Carey, S., et al. (1995), The intensity and magnitude of Holocene plinian eruptions from Mount St. Helens volcano, J. Volcanol. Geotherm. Res., 66, 185-202, doi:10.1016/0377-0273(94)00059-P. (Pubitemid 26456409)
2. 2S, scrubbing, and preeruption excess volatiles at Mount St. Helens, 2004-2005, U.S. Geol. Surv. Prof. Pap., 1750, 543-572.
3. Lisowski, M., et al. (2008), Analysis of GPS-measured deformation associated with the 2004-2006 dome-building eruption of Mount St. Helens, Washington, U.S. Geol. Surv. Prof. Pap., 1750, 301-334.
4. Mastin, L. G., et al. (2008), Constraints on the size, overpressure, and volatile content of the Mount St. Helens magma system from geodetic and dome-growth measurements during the 2004-2006+ eruption, U.S. Geol. Surv. Prof. Pap., 1750, 461-492.
5. McTigue, D. F. (1987), Elastic stress and deformation near a finite spherical magma body: Resolution of the point source paradox, J. Geophys. Res., 92, 12,931-12,940, doi:10.1029/JB092iB12p12931.
6. Moran, S. C. (1994), Seismicity at Mount St. Helens, 1987-1992: Evidence for repressurization of an active magmatic system, J. Geophys. Res., 99, 4341-4354, doi:10.1029/93JB02993.
7. Musumeci, C., S. Gresta, and S. D. Malone (2002), Magma system recharge of Mount St. Helens from precise relative hypocenter location of microearthquakes, J. Geophys. Res., 107(B10), 2264, doi:10.1029/2001JB000629.
8. 2 solution model written in Visual Basic for Excel®, Comput. Geosci., 28, 597-604, doi:10.1016/S0098-3004(01)00081-4.
9. Pallister, J. S., et al. (2008), Petrology of the 2004-2006 Mount St. Helens lava dome - Implications for magmatic plumbing, explosivity, and eruption triggering, U.S. Geol. Surv. Prof. Pap., 1750, 647-689.
10. Rubin, A. M. (1990), A comparison of rift-zone tectonics in Iceland and Hawaii, Bull. Volcanol., 52, 302-319, doi:10.1007/BF00304101.
11. Rubin, A. M. (1995), Propagation of magma-filled cracks, Annu. Rev. Earth Planet. Sci., 23, 287-336, doi:10.1146/annurev.ea.23.050195.001443.
12. Rutherford, M., and J. Devine (2008), Magmatic conditions and processes in the storage zone of the 2004 - 2006 Mount St. Helens dacite, U.S. Geol. Surv. Prof. Pap., 1750, 703-726.
13. Rutherford, M. J., H. Sigurdsson, S. Carey, and A. Davis (1985), The May 18, 1980, eruption of Mount St. Helens: 1. Melt composition and experimental phase equilibria, J. Geophys. Res., 90, 2929-2947, doi:10.1029/JB090iB04p02929.
14. Schilling, S. P., et al. (2008), Use of digital aerophotogrammetry to determine rates of lava dome growth, Mount St. Helens, 2004-2005, U.S. Geol. Surv. Prof. Pap., 1750, 145-168.
15. Stasiuk, M. V., et al. (1993), On the variations of flow rate in non-explosive lava eruptions, Earth Planet. Sci. Lett., 114, 505-516, doi:10.1016/0012-821X(93)90079-O.
16. Williams, D. L., G. Abrams, C. Finn, D. Dzurisin, D. J. Johnson, and R. Denlinger (1987), Evidence from gravity data for an intrusive complex beneath Mount St Helens, J. Geophys. Res., 92, 10,207 - 10,222, doi:10.1029/ JB092iB10p10207.
17. Woods, A. W., and H. E. Huppert (2003), On magma chamber evolution during slow effusive eruptions, J. Geophys. Res., 108(B8), 2403, doi:10.1029/ 2002JB002019.
18. Yamaguchi, D. K. (1985), Tree-ring evidence for a two-year interval between recent prehistoric explosive eruptions of Mount St. Helens, Geology, 13, 554-557, doi:10.1130/0091-7613(1985)13<554:TEFATI>2.0.CO;2.