DRRR landslide Flashcards
landslide occured in a subdivision
CHERRY HILLS TRAGEDY
when cherry hills tragedy
AUGUST 2 1999
where cherry hills tragedy happened
ANTIPOLO RIZAL
how many affected cherry hills tragedy
59 LIVES
MORE THAN 400 HOUSES
downward movement of surface materials caused by gravity
MASS MOVEMENT
mass movement can be classified as?
DOWNSLOPE MOVEMENT
VERTICAL MOVEMENT
USGS meaning
US GEOLOGICAL SURVEY
wide variety of processes that result in the downward and outward movement of slope
LANDSLIDE
example of vertical movement
GROUND SUBSIDENCE
leads to a very slow to rapid sinking of the land surface, usually forming a depression
GROUND SUBSIDENCE
ground subsidence is more commonly referred as ?>
SINKHOLES
includes earthquakes, landslides, mud flows , tsunamis
SUDDEN PHENOMENA
formation of volcanoes, sinkholes, liquefaction , shioreline and strream erosions
SLOW PHENOMENA
one of the many hazards that philippines faces is the downslope land movement commonly known as?
LANDSLIDES
landslide in ormoc leyte when?
NOVEMBER 1991h
how many killed ormoc leyte novemeber 1991
6000
landslide in mining village in southern Philippines when
SEP 2003
how many killed southern philippines
22
Panaoan island in southern leyte when
DEC 2003
how many DEATHS southern leyte
160
Guinsaugon , leyte landslide when?
FEBRUARY 2006
how many deaths/missing guinsagon leyte
139 DEAD/ 973 MISSING
force of gravity acting on a material
DRIVING FORCE
force acting on the material and the friction holding it in place
RESISTING FORCE