Film footage of large cobble rich lahar front passing observers along Sacobia River |
Film footage of lahar pulse cascading over erosional nickpoint |
Film footage of small cobble rich lahar front passing observers along Sacobia River |
Film footage of remobilized pyroclastic material into small secondary pyroclastic flows |
Film footage of overbank sheet flows resembling wet concrete |
Film footage of standing waves in lahar flow. Waves 2-3 meters high from base of channel. |