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Open-File Report 03-159

Additional information for “TREMOR: A Wireless, MEMS Accelerograph for Dense Arrays” (Evans et al., 2003)

By John R. Evans, Robert H. Hamstra, Jr., Paul Spudich, Christoph Kündig, Patrick Camina, and John A. Rogers

Thumbnail of and link to report PDF (224 kB)Introduction

The length of Evans et al. (2003) necessitated transfer of several less germane sections to this alternate forum to meet that venue’s needs. These sections include a description of the development of Figure 1, the plot of spatial variability so critical to the argument for dense arrays of strong-motion instruments; the description of the rapid, integer, computational method for PGV used in the TREMOR instrument (the Oakland instrument, the commercial prototype, and the commercial instrument); siting methods and strategies used for Class B TREMOR instruments and those that can be used for Class C instruments to preserve the cost advantages of such systems; and some general discussion of MEMS accelerometers, includ-ing a comparative Table with representative examples of Class A, B and C MEMS devices. (“MEMS” means “Micro-ElectroMechanical” Systems—“micromachined” sensors, generally of silicon. Classes A, B, and C are defined in Table 1.)

First posted October 11, 2003

For additional information, contact:
Earthquake Science Center, Menlo Park
U.S. Geological Survey
345 Middlefield Road, MS 977
Menlo Park, CA 94025-3591
http://earthquake.usgs.gov/contactus/menloloc.php

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Suggested citation:

Evans, John R., Hamstra, Robert H., Jr., Spudich, Paul, Kundig, Christoph, Camina, Patrick, Rogers, John A., 2003, Additional information for “TREMOR: A Wireless, MEMS Accelerograph for Dense Arrays” (Evans et al., 2003): U. S. Geological Survey Open-File Report 03-159, 13 pp., http://pubs.usgs.gov/of/2003/0159/.


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