NEHRP Clearinghouse

Title
Calibration of PS09, PS10, and PS11 Trans-Alaska Pipeline System Strong-Motion Instruments, with Acceleration, Velocity, and Displacement Records of the Denali Fault Earthquake, 03 November 2002.
File
PB2006110294.pdf
Author(s)
Evans, J. R.; Jensen, E. G.; Sell, R.; Stephens, C. D.; Nyman, D. J.
Source
January 2006, 60 p.
Identifying Number(s)
USGS/OFR-2006-1028
Abstract
In September, 2003, the Alyeska Pipeline Service Company (APSC) and the U.S. Geological Survey (USGS) embarked on a joint effort to extract, test, and calibrate the accelerometers, amplifiers, and bandpass filters from the earthquake monitoring systems (EMS) at Pump Stations 09, 10, and 11 of the Trans-Alaska Pipeline System (TAPS). These were the three closest strong-motion seismographs to the Denali fault when it ruptured in the Mw 7.9 earthquake of 03 November 2002 (22:12:41 UTC), and are shown in this document. The surface rupture is only 3.0 km from PS10 and 55.5 km from PS09 but PS11 is 124.2 km away from a small rupture splay and 126.9 km from the main trace.
Keywords
; Measuring instruments; Ground motion; Seismographs; Geologic faults; Earthquakes; Monitoring; Acceleration; Velocity; Amplifiers; Alaska