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Table 1 Interval seismic velocities applied in the 3D velocity model
From: Seismicity induced during the development of the Rittershoffen geothermal field, France
Interface | Depth in GRT1 (m TVD MSL) | Vp (m/s) | Vs (m/s) | Vp/Vs |
|---|---|---|---|---|
Surface (at GRT1) | − 151 | 1300 | 613 | 2.12 |
Bottom of weathered zone | − 71 | 2315 | 1092 | 2.12 |
Top of “Fish shales” | 272 | 2961 | 1544 | 1.92 |
Top of Lias | 1023 | 3332 | 1778 | 1.87 |
Top of Keuper | 1298 | 4307 | 2413 | 1.78 |
Top of Muschelkalk | 1504 | 5236 | 2821 | 1.86 |
Top of Buntsandstein | 1649 | 4818 | 2858 | 1.69 |
Top of unaltered granite | 2209 | 5951 | 3351 | 1.78 |