Conduit to xhr2 was repaired in August 2009; instrument
re-established as xhr3
 
Known offsets:
N 201404172200 Wire reset (AS)
N 201504212230 Ditto
N 201611012340 Wire reset (AS)
N 201711080200 Wire reset (AS/TE)
N 2020j0642110 reset 
N 2022j2291820 reset DCP input > 5 volts; offset determined from micrometer measurements.


For more information, please consult:
Open-File Report 2024-1011, “Summary of Creepmeter Data from 1980 to 2020—Measurements Spanning the Hayward, Calaveras, and San Andreas Faults in Northern and Central California” https://pubs.usgs.gov/publication/ofr20241011

and
Open File Report 89–650, "Catalog of creepmeter measurements in California from 1966 through 1988" https://pubs.usgs.gov/publication/ofr89650

Many people have contributed to this project including:
Roger Bilham
Robert Burford
Sandy Schulz
Andy Snyder
Kate Breckinridge
Todd Erickson
Rich Liechti
Vince Keller