Active Sensors:
3 Geophones Deployed
Interactive Geological Cross-Section: Click on rock surface to place/move Borehole Geophone sensors. Survivor tapping location is marked in Cavity Chamber B.
Weathered Gneiss / Schist
Dense Silt Plug
Inundation Slurry Head
Seismic Geophone
Trapped Personnel (9)
Directional Boring Rig
SEISMIC BOREHOLE ACOUSTICS [CH-1 TO CH-3]
SNR: 18.4 dB
TIME-DIFFERENCE-OF-ARRIVAL (TDOA) LOCALIZATION
SOLUTION CONVERGED
Rock Vp Speed
4,650 m/s
Est. Station Dist
234.8 m
Error Ellipse
±3.2 m
Acoustic waveform attenuated via high-fracture quartz-mica gneiss. Bandpass filtered at 15–85 Hz for steel-rock mechanical impact.