Measuring your own continental drift

David Pescovitz 2:15 pm Tue Jan 10, 2006

Paul Saffo, my colleague at Institute For The Future, realized that the San Andreas fault is moving his house to the Northwest. How fast it's moving is a mystery that Paul is now trying to solve. From his post:

So thanks to a friend and surveying whiz, Hans Haselbach, of Haselbach Instruments, I have begun to document the movement for myself. Hans loaned me a Leica Geosystems GPS 1200 surveying system and we laid in a grid of reference benchmarks on my property surveyed to an accuracy of 3mm horizontal and 6 mm vertical. That’s accurate enough that with annual resurveys I’ll be able to establish the speed and azimuth of my northward drift as my home rafts along the edge of the North American Plate.

Link

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