Inner gorge

formed by active stream erosion and debris slides

Debris Slide Amphitheater/Slope

vegetated soils with shallow soil

Debris Flow/Torrent Track

long stretches of unstable stream banks

form during intense storms

Debris slide

soil or rock that moves along a shallow failure plane

Earthflow

landslide forms from saturated soil and may creep seasonally

clay-rich materials that swell when wet

Transitional/Rotational

cohesive slide mass and deep failure plane