MUDFLOW MUD FLOW MASS WASTING RAPID FLOW DEBRIS FULLY LIQUIFIED ADDITION WATER THE SOURCE MUDFLOWS PROPORTION FLUID DEBRIS FLOW ABLE TRAVEL SLOPE GENERALLY MIXTURES MATERIALS SIZE MUDSLIDES TERM THE MASS MEDIA VARIETY START BECOMING FLOWS THE FLOW PATH EVENTS LAHAR PYROCLASTIC DEPOSITS GLACIERS ICECAPS STATUTORY DEFINITION OF MUDSLIDE APPEARS THE UNITED STATES NATIONAL FLOOD INSURANCE ACT OF HEAVY SNOW MELT HIGH GROUND WATER FLOWING CRACKED TRIGGER SOIL FLOOD STRONG RAINS HILL MOUNTAIN SLOPES CAUSE CHANNEL SIDOARJO MUD FLOW CAUSED ROGUE BROAD RATHER VISCOUS THEREFORE SLOW BEGIN QUICKLY CONTINUE AVALANCHE LARGE ENOUGH SILT UP TO COMMON THE HILL LOS ANGELES HOMES SUFFICIENT SUPPORT FIRES DESTROY VEGETATION HOLDING THE POINT MATERIAL BEGINS DEPENDS GRAIN SIZE WATER CONTENT FINE SMALLER FRICTION ANGLE FALLING ROCK PIECES MATERIAL FLOW VARGAS VENEZUELA VARGAS TRAGEDY ALTERED KILOMETERS THE COASTLINE TRIGGERED RAINFALL DAMAGES BILLION FORCED PEOPLE COMPLETE COLLAPSE LANDSLIDE GENERAL FAILURE SURFACE EARTH CATEGORIES OF MASS MOVEMENT DO NOT HAVE TO SUDDEN CONSIST PLUS FRAGMENTS BEHAVE MOVE HOUSES MINUTES UPPER SCARP THE ORIGINAL AREA THE LAST NATURAL WORLDS LARGEST HISTORIC TERMS ERUPTION MOUNT VOLCANO THE CASCADE MOUNTAIN RANGE THE STATE OF WASHINGTON THE VOLUME DISPLACED THE PATH HUGE SPIRIT LAKE NORMALLY CHILLY RAISED TEMPERATURE TODAY THE BOTTOM OF SPIRIT LAKE ABOVE HALF TIMES SURFACE AREA PREHISTORIC SOUTHWESTERN IRAN KABIR KUH ANTICLINE VOLUME DEPTH DISTANCE WIDTH MEANS TONS SINGLE EVENT LANDSLIDES SUBMARINE LANDSLIDE YEARS AGO SAND DOCUMENTED THE MASSIVE SUBMARINE THE DISTANCE LONDON SLIDE SOUTH MILLION YEARS AGO AT RISK DANGEROUS AREAS WILDFIRES HUMAN MODIFICATION THE LAND STEEP AT THE BOTTOM CANYONS CONSTRUCTION OF BUILDINGS ROADS CHANNELS STREAMS RIVERS SURFACE RUNOFF PUBLICATION DRAFT PAGE