Documented Catastrophes
Historical Presets
Physics Tuning Workbench
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Topographic Runout & Velocity Profile
t = 0.0s
Reach Ratio (H/L)
0.256
Fahrböschung: 14.4°
Hazard Zone Radius
16.2 km
Total runout reach
Peak Velocity
300 km/h
83.3 m/s max flow
Transit Time
210 s
3.5 min down-valley
Warning Window
180 s
Lead time for evacuation
Kinetic Energy
4.80e16 J
~11.5 Megatons TNT eq
Glaciological Context: Hyper-mobility in massive rock-ice avalanches arises from thermal melting of basal ice creating frictionless pressurized water/slurry cushions, drastically lowering the apparent friction angle (Fahrböschung) from normal rockfall (~32°) to under 15°.