Decision Memo Completed

University of Alaska proposal to install and operate 2 seismic sites and 1 repeater site in PWS

Chugach National Forest Anchorage, Alaska Glacier Ranger District

Proposal to install, operate and maintain two seismic monitoring stations and a communications repeater site in Barry Arm, Prince William Sound. The equipment will monitor the potential Barry Arm land slide hazard.

Location

Prince William Sound, Alaska. Barry Arm West(1st choice):61.1435, -148.1591 Barry Arm West(alternate): 61.1519, -148.1504 Barry Arm East: 61.1316, -148.1228 Barry Arm Repeater: 61.0118, -148.2223

Project timeline

1
Scoping Start
08/03/2020
2
Decision
08/2020 (Estimated)
3
Implementation
08/2020 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.11, 7 Cfr 1B.3(A) (3); 32.2 (3), 36 Cfr 220.6(E)(3)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivitySpecial Use Authorizations; Research And Development
University of Alaska proposal to install and operate 2 seismic sites and 1 repeater site in PWSDecision Signed Date: 08/21/2020
ForestsChugach National Forest
DistrictsGlacier Ranger District
Legal Land DescriptionT11-12N, R7E Seward Meridian
Special use management