rockfall Definition

landslip, rockslide, alluvial fan, snowslip, landslide, geological phenomenon, escarp, lahar, tachylyte, mudslide, geological process, rupestrian, crevasse, boulder, cragsman, natural elevation, scree, bradyseism, diaclasis, stone pit, avalanche, natural depression, acclivous, outcrop, diastrophism, petrean, geological fault, peperino, volcanity, embankment, mudflow, borrasca, plutonism, cave in, crash barrier, rupestral, crag, volcanic, mountainside, rubblestone, lithophyse, subsidence, scopulous, topsoiling, corrasion, cliff, sheepback, earthdin, intercolline, debris, volcanicity, icefall, fault plane, terremote, pentice, stillicide, cascalho, volcanic crater, diluvium, volcano, interfluve, ravine, slope, melaphyre, camouflet, graffage, snowslide, gully, hillside, dike, astrobleme, tumulous, geosynclinal, lava, box canyon, canyon, icequake, reverse fault, ginging, ledge, saxicavous, swallow hole, microseism, chessil, quarry, crater, tumular, remblai, bull dust, batardeau, gullywasher, earthquake, landflood, silt, cave, escarpment, orthostat, mountain, berm, clifflike,