Where is the hot rock and where is the ground water— Using CSAMT to map beneath and around Mount St. Helens
Journal of Environmental & Engineering Geophysics
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Abstract
We have observed several new features in recent controlled-source audio-frequency magnetotelluric (CSAMT) soundings on and around Mount St. Helens, Washington State, USA. We have identified the approximate location of a strong electrical conductor at the edges of and beneath the 2004–08 dome. We interpret this conductor to be hot brine at the hot-intrusive-cold-rock interface. This contact can be found within 50 meters of the receiver station on Spine 5, which extruded between April and July of 2005. We have also mapped separate regional and glacier-dome aquifers, which lie one atop the other, out to considerable distances from the volcano.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Where is the hot rock and where is the ground water— Using CSAMT to map beneath and around Mount St. Helens |
| Series title | Journal of Environmental & Engineering Geophysics |
| DOI | 10.2113/JEEG21.2.79 |
| Volume | 21 |
| Issue | 2 |
| Year Published | 2016 |
| Language | English |
| Publisher | Environmental & Engineering Geophysical Society |
| Contributing office(s) | Volcano Science Center |
| Description | 9 p. |
| First page | 79 |
| Last page | 87 |
| Country | United States |
| State | Washington |
| Other Geospatial | Mount St. Helens |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |