Temporal changes in stress preceding the 2004-2008 eruption of Mount St. Helens, Washington

Journal of Volcanology and Geothermal Research

Volumn 198, Issue 1-2, 2010, Pages 129-142

  Lehto, Heather L ^a   Roman, Diana C ^a   Moran, Seth C ^b  

^a UNIVERSITY OF SOUTH FLORIDA   (United States)

^b CASCADES VOLCANO OBSERVATORY   (United States)

Author keywords

Cascades; Eruption forecasting; Fault plane solutions; Mount St. Helens; Stress; Stress tensor inversion; VT earthquakes

Indexed keywords

CASCADES; ERUPTION FORECASTING; FAULT PLANE SOLUTIONS; MOUNT ST. HELENS; STRESS TENSOR INVERSION; VT EARTHQUAKES;

EARTHQUAKES; HYDRAULIC STRUCTURES; MOUNTINGS; TENSORS;

FORECASTING;

FAULTING; FORECASTING METHOD; IGNEOUS INTRUSION; REVERSE FAULT; STRESS; STRIKE-SLIP FAULT; TEMPORAL VARIATION; VOLCANIC EARTHQUAKE; VOLCANIC ERUPTION;

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

EID: 78650075310     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvolgeores.2010.08.015     Document Type: Article

References (18)

1. Barker S.E., Malone S.D. Magmatic system geometry at Mount St. Helens modeled from the stress-field associated with posteruptive earthquakes. J. Geophys. Res. 1991, 96:11883-11894.
2. Bonafede M., Danesi S. Near-field modifications of stress induced by dyke injection at shallow depth. Geophys. J. Int. 1997, 130:435-448.
3. Dzurisin D., Lisowski M., Poland M.P., Sherrod D.R., LaHusen R.G. Constraints and Conundrums Posed by Ground Deformation Measurements during the 2004-2005 Dome-Building Eruption of Mount St. Helens, Washington. US Geol. Surv. Prof. Pap. 2008, 1750:281-300. D.R. Sherrod, W.E. Scott, P.H. Stauffer (Eds.).
4. Gephart J.W. FMSI - a Fortran program for inverting fault slickenside and earthquake focal mechanism data to obtain the regional stress-tensor. Comp. Geosci. 1990, 16:953-989.
5. Gomberg J., Shedlock K., Roecker S. The effect of S-wave arrival times on the accuracy of hypocenter estimation. Bull. Seismol. Soc. Am. 1990, 80(6, Part a):1605-1628.
6. Lahr J.C., Chouet B.A., Stephens C.D., Power J.A., Page P.A. Earthquake classification, location, and error analysis in a volcanic environment: implications for the magmatic system of the 1989-1990 eruptions at Redoubt Volcano, Alaska. J. Volcanol. Geotherm. Res. 1994, 62:137-151.
7. Lienert B.R., Havskov J. A computer program for locating earthquakes both locally and globally. Seismol. Res. Lett. 1995, 66:26-36.
8. Lisowski M., Dzurisin D., Denlinger R.P., Iwatsubo E.Y. GPS-Measured Deformation Associated with the 2004-2006 Dome-Building Eruption of Mount St. Helens, Washington. US Geol. Surv. Prof. Pap. 2008, 1750:301-334. D.R. Sherrod, W.E. Scott, P.H. Stauffer (Eds.).
9. Ma L., Crosson R.S., Ludwin R.S. Focal mechanisms of western Washington earthquakes and their relationship to regional tectonic stress. US Geol. Surv. Open-File Rep. 91-441-D 1991.
10. Miller A.D., Foulger G.R., Julian B.R. Non-doublecouple earthquakes. 2. Observations. Rev. Geophys. 1998, 36:551-568.
11. Moran S.C. Seismicity at Mount St-Helens, 1987-1992 - evidence for repressurization of an active magmatic system. J. Geophys. Res. 1994, 99:4341-4354.
12. Moran S.C., Malone S.D., Qamar A.I., Thelen W., Wright A.K., Caplan-Auerbach J. Seismicity Associated with Renewed Dome-Building at Mount St. Helens, 2004-2005. US Geol. Surv. Prof. Pap. 2008, 1750:27-60. D.R. Sherrod, W.E. Scott, P.H. Stauffer (Eds.).
13. Musumeci C., Malone S.D., Giampiccolo E., Gresta S. Stress tensor computations at Mount St. Helens, 1995-1998. Ann. Geofis. 2000, 43:889-904.
14. Pallister J.S., Thornber C.R., Cashman K.V., Clynne M.A., Lowers H.A., Mandeville C.W., Brownfield I.K., Meeker G.P. Petrology of the 2004-2006 Mount St. Helens lava dome-implications for magmatic plumbing and eruption triggering. US Geol. Surv. Prof. Pap. 2008, 1750:647-702. D.R. Sherrod, W.E. Scott, P.H. Stauffer (Eds.).
15. Parker T.J., McDowell A.N. Model studies of salt-dome tectonics. Bull. Am. Assoc. Petr. Geol. 1955, 39:2385-2470.
16. Reasenberg P., Oppenheimer D.H. FPFIT, FPPLOT and FPPAGE; Fortran computer programs for calculating and displaying earthquake fault-plane solutions. US Geol. Surv. Open-File Rep. 1985, 85-739.
17. Roman D.C., Cashman K.V. The origin of volcano-tectonic earthquake swarms. Geology 2006, 34:457-460.
18. Thelen W.A., Crosson R.S., Creager K.C. Absolute and Relative Locations of Earthquakes at Mount St. Helens, Washington using continuous data: implications for magmatic processes. US Geol. Surv. Prof. Pap. 2008, 1750:71-96. D.R. Sherrod, W.E. Scott, P.H. Stauffer (Eds.).