EUROSEIS STRONG MOTION DATABASE
VERSION:1.0
DATATYPE:STATION METADATA - SITE CHARACTERIZATION - GEOPHYSICAL
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STATION: GRA
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Vs PROFILE (Cross-Hole method)

Reference: Raptakis D, Chavez-Garcia F-J, Makra K, Pitilakis K., 2000
	   Site effects at Euroseistest Part I. Determination of the
	   valley structure and confrontation of observations with 1D
	   analysis. Soil Dynamics and Earthquake Engineering, 19: 1-22

Depth (m)	Vs velocity (m/sec)
0		146
3.25		146
5.25		162
6.75		166
8.5		172
10		178
11		177
12.5		180
14.75		199
16.75		217
18		211
19.75		167
21.75		244
23		187
24.5		271
26		311
27.27		287
28.5		336
29.75		301
31.25		319
32.5		293
33.75		292
35.5		263
37.5		257
39.75		254
42		241
45		281
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Vp PROFILE (Cross-hole method)

Reference: Raptakis D, Chavez-Garcia F-J, Makra K, Pitilakis K., 2000
	   Site effects at Euroseistest Part I. Determination of the
	   valley structure and confrontation of observations with 1D
	   analysis. Soil Dynamics and Earthquake Engineering, 19: 1-22

Depth (m)	Vp velocity (m/sec)

----------------------------------------------------------------
0		399
3.25		1036
5.25		1054
6.75		1114
8.5		1200
10		1152
11		1173
12.5		1342
14.75		1435
16.75		1340
18		1404
19.75		1640
21.75		1439
23		1373
24.5		1407
26		1556
27.27		1462
28.5		2009
29.75		1283
31.25		1379
32.5		1571
33.75		1033
35.5		1392
37.5		1262
39.75		1283
42		1031
45		1018