Washington State Play Fairway Analysis - Passive Monitoring of St. Helens Shear Zone for Tomography and Precision Microseismic Event Detection

Abstract

Data resources were derived from a passive seismic survey of the northern St. Helens Shear Zone on geothermal leases 12-24 km north of Mount St. Helens for phase 2 of the Geothermal Play-Fairway Analysis of Washington State Prospects. A 20 seismic station array of broadband seismometers was deployed with irregular spacing (1-4 km) over an area of 12 km to image seismogenic features and their damage zones in the shallow crust.

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Additional Info

DOE Project Name: Geothermal Play-Fairway Analysis of Washington State Prospects: Phase 2
DOE Project Number: EE0006728
DOE Project Lead: Eric Hass
DOI: 10.15121/1452723
Last Updated: a year ago
Oct
2017
Data from October, 2017
Submitted Oct 5, 2017

Contact

AltaRock Energy Inc


206.729.2400

Status

Publicly accessible License 

Authors

Michael Swyer
AltaRock Energy Inc
Trenton Cladouhos
AltaRock Energy Inc.
Kayla Crosbie
Cornell University Department of Earth and Atmospheric Sciences
Carl Ulberg
University of Washington Department of Earth and Space Sciences

Keywords

geothermal, energy, exploration, passive seismic monitoring, passive seismic tomography, ambient noise tomography, micro-seismicity, Washington State, St. Helens Shear Zone, Mount St. Helens, Vp, Vs, Vp/Vs, focal mechanisms, relocated seismic events, Mt St Helens, Mount Saint Helens, Mt Saint Helens, velocity, seismic, site assessment, resource assessment, site investigation, pfa, tomography, geophysics

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