Characterization of the seismic environment at the Sanford Underground Laboratory, South Dakota

被引:27
作者
Harms, J. [1 ,7 ]
Acernese, F. [2 ,3 ]
Barone, F. [2 ,3 ]
Bartos, I. [4 ]
Beker, M. [5 ]
van den Brand, J. F. J. [5 ]
Christensen, N. [6 ]
Coughlin, M. [6 ]
DeSalvo, R. [7 ]
Dorsher, S. [1 ]
Heise, J. [8 ]
Kandhasamy, S. [1 ]
Mandic, V. [1 ]
Marka, S. [4 ]
Mueller, G. [9 ]
Naticchioni, L. [10 ,11 ]
O'Keefe, T. [12 ]
Rabeling, D. S. [5 ]
Sajeva, A. [13 ]
Trancynger, T. [8 ]
Wand, V. [14 ]
机构
[1] Univ Minnesota, Minneapolis, MN 55455 USA
[2] Univ Salerno, Fisciano, SA, Italy
[3] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy
[4] Columbia Univ, New York, NY 10027 USA
[5] NIKHEF H, Natl Inst Subatom Phys, NL-1098 XG Amsterdam, Netherlands
[6] Carleton Coll, Northfield, MN 55057 USA
[7] CALTECH, Pasadena, CA 91125 USA
[8] Sanford Underground Lab, Lead, SD 57754 USA
[9] Univ Florida, Gainesville, FL 32611 USA
[10] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy
[11] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[12] St Louis Univ, St Louis, MO 63103 USA
[13] Univ Pisa, Dipartimento Fis Enrico Fermi, Pisa, Italy
[14] EADS Astrium GmbH, Sci Missions & Syst AED 41, D-88039 Friedrichshafen, Germany
基金
美国国家科学基金会;
关键词
NOISE;
D O I
10.1088/0264-9381/27/22/225011
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
An array of seismometers is being developed at the Sanford Underground Laboratory, the former Homestake mine, in South Dakota to study the properties of underground seismic fields and Newtonian noise, and to investigate the possible advantages of constructing a third-generation gravitational-wave detector underground. Seismic data were analyzed to characterize seismic noise and disturbances. External databases were used to identify sources of seismic waves: ocean-wave data to identify sources of oceanic microseisms and surface wind-speed data to investigate correlations with seismic motion as a function of depth. In addition, sources of events contributing to the spectrum at higher frequencies are characterized by studying the variation of event rates over the course of a day. Long-term observations of spectral variations provide further insight into the nature of seismic sources. Seismic spectra at three different depths are compared, establishing the 4100 ft level as a world-class low seismic-noise environment.
引用
收藏
页数:22
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