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LANDSLIDES IN THE PHILIPPINES
Chapter 9
Mass wasting
Dingalan, Aurora
Real, Quezon
Maco, Compostela Valley
Mines and Geosciences Bureau
www.defense.gov/home/features/Leyte/landslide/images/hi-res/060219-N-5067K-109.jpg
IMPACT OF MASS WASTING PROCESSES ON HUMAN LIFE
Year
1919
1920
1933
1938
1941
1949
1953
1958
1962
1963
1970
1985
1999
Location
Indonesia
China
China
Japan
Peru
Tajikistan
Japan
Japan
Peru
Italy
Peru
Columbia
Venezuela
Type
lahars
landslide
landslide
landslide
debris flow
flowslide
landslide
landslide
landslide
landslide
debris avalanche
mudflow/slide
landslide
2010 China
debris avalanche;
mudslide/flow
mudslide
heavy rains
heavy rains
Lecture Notes: Mass wasting
TRIGGERING MECHANISMS
Tectonic setting
Trigger
Fatalities
volcanic eruption ~5,000
earthquake
> 100,000
earthquake
~3100
~1000
flood
~4,000-6,000
earthquake
~7,200
typhoon
~1046
~1094
glacier
~4,000 - 5,000
heavy rains
~2,000
earthquake
~22,000
volcanic eruption ~23,000
heavy storm
~30,000
1998 Nicaragua debris avalanche and mudflow heavy rains
2006 Philippines
N. Ramos | Geology 11 Principles of Geology
~2,000
~1100; ~1300
~1300
en.wikipedia.org/wiki/List_of_landslides
N. Ramos | Geology 11 Principles of Geology
Lecture Notes: Mass wasting
N. Ramos | Geology 11 Principles of Geology
Lecture Notes: Mass wasting
TRIGGERING MECHANISMS
DISASTERS
Disasters -- More in the Philippines
Meteorologic setting
2012 Pacific typhoon season
ihrr.files.wordpress.com/2011/09/top-countries-atrisk2.jpg
upload.wikimedia.org/wikipedia/commons/c/c8/2012_Pacific_typhoon_season_summary.png
N. Ramos | Geology 11 Principles of Geology
Lecture Notes: Mass wasting
2012 LANDSLIDES IN THE PHILIPPINES
N. Ramos | Geology 11 Principles of Geology
Lecture Notes: Mass wasting
2012 LANDSLIDES IN THE PHILIPPINES
January 2012 Pantukan, Compostela Valley...