Ground Vibrations

| Compilation of ground motion measurements

Overview

Overview of Measured Sites

Compilation of ground motion measurements

Overview of Measured Sites

Overview of Measured Sites (Vertical Direction)

Site location

Year

Average rms (nm)

σ (nm)

Day rms (nm)

Night rms (nm)

Pk-Pk (nm)

FWHM (nm)

ALBA, Barcelona, Spain

2004

18.8

9.5

42.0

9.1

88.6

122.0

APS, Argonne, U.S.A.

2003

10.7

1.0

11.0

9.8

68.5

57.7

Asse, Germany (salt mine)

2003/2004

0.6

0.1

0.7

0.5

13.1

35.4

BESSY, Berlin, Germany

2005

75.0

28.1

140.7

53.1

249.3

158.4

BNL, Upton, U.S.A.

2006

89.6

30.2

135.3

29.1

383.6

558.2

CERN LHC, Geneva, Switzerland

2003/2004/2006

1.9

0.8

2.8

0.9

21.6

54.1

DESY HERA, Hamburg, Germany

2002/2003/2004/
2005/2006/2007

53.3

18.9

77.0

34.8

178.4

204.3

DESY XFEL, Osdorf, Germany

2005

29.1

11.9

48.4

19.5

147.9

196.9

DESY XFEL, Schenefeld, Germany

2005

41.1

16.6

70.0

35.1

179.6

245.3

DESY, Zeuthen, Germany

2004/2005

64.4

40.4

75.6

88.5

115.3

240.0

Ellerhoop, Germany (TESLA IP)

2003/2004

18.2

8.4

35.9

9.3

102.0

162.4

ESRF, Grenoble, France

2003

74.0

34.9

137.2

40.2

163.3

179.8

FNAL, Batavia, U.S.A.

2003

3.0

0.9

4.0

2.2

24.4

49.1

IHEP, Beijing, China

2005

8.5

0.5

9.0

8.1

49.5

18.6

KEK, Tsukuba, Japan

2004

80.5

36.0

125.1

38.0

228.4

277.0

LAPP, Annecy, France

2005

3.6

1.6

7.0

1.9

35.7

66.3

Moxa, Germany (seismic station)

2003/2004

0.6

0.1

0.9

0.5

7.9

16.8

SLAC, Menlo Park, U.S.A.

2003

4.9

1.2

7.4

4.1

61.4

117.9

Spring-8, Harima, Japan

2004

2.0

0.4

2.5

1.8

22.4

40.3

SSRF, Shanghai, China *

2005

292.0

164.0

444.0

102.0

550.0

1000.0

* this site was under construction during the measurements