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Calibration of Ps09, Ps10, and Ps11 Trans-Alaska Pipeline System Strong-Motion Instruments, with Acceleration, Velocity, and Displacement Records of T by E. Gray Jensen and John R. Evans (2013, Trade Paperback)

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). 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. Here we briefly describe precision calibration results for all three instruments. Included with this report is a link to the seismograms reprocessed using these new calibrations: http: //nsmp.wr.usgs.gov/data_sets/20021103_2212_taps.html Calibration information in this paper applies at the time of the Denali fault earthquake (03 November 2002), but not necessarily at other times because equipment at these stations is changed by APSC personnel at irregular intervals. In particular, the equipment at PS09, PS10, and PS11 was changed by our joint crew in September, 2003, so that we could perform these calibrations. The equipment stayed the same from at least the time of the earthquake until that retrieval, and these calibrations apply for that interval

Book Title
Calibration of Ps09, Ps10, and Ps11 Trans-Alaska Pipeline System Strong-Motion Instruments, with Acceleration, Velocity, and Displacement Records of T
Author
E. Gray Jensen, John R. Evans
Format
Trade Paperback
Language
English
Topic
General
Publication Year
2013
Genre
Political Science
Number of Pages
58 Pages

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