Decision Memo Completed

UCSD San Jacinto Fault Seismic Station

San Bernardino National Forest Riverside, California San Jacinto Ranger District

Collaborative Research: Structural Architecture and Evolutionary Plate-boundary Processes Along the San Jacinto Fault Zone. Installation of 6 small (less than 6’x6’) seismic stations to measure earthquakes along the fault.

Location

1. Rouse Ridge Road; 2. Thomas Mountain; 3. Anza; 4. Thomas Mountain; 5. Mouth of Black Burn Canyon, 6. Idyllwild sewer ponds.

Project timeline

1
Scoping Start
07/01/2011
2
Decision
02/2012 (Estimated)
3
Implementation
05/2012 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (8), 36 Cfr 220.6(E)(8)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivityResearch And Development
UC San Diego, Frank Vernon, San Jacinto Fault Seismic ResearchDecision Signed Date: 02/08/2012
ForestsSan Bernardino National Forest
DistrictsSan Jacinto Ranger District
Legal Land Description1. T6S, R2E S14; 2. T6S, R3E, S28; 3. T7S, R3E, S3; 4. T6S, R3E, S32; 5. T5S, R1E, S36
Research