II NN DD EE XX MM AA PP :: 125°35'0"E PLACER DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 4120-III-11 4120-III-12 4120-III-13 TUBOD, BACUAG AND MAINIT, SURIGAO DEL NORTE, PHILIPPINES 9°35'0"N 9°35'0"N 4120-III-16 TUBOD 4120-III-18 MAINIT 4120-III-17 4120-III-17 MOTORPOOL QUADRANGLE BACUAG 125°33'0"E 125°34'0"E 125°35'0"E 125°36'0"E 4120-III-21 4120-III-22 4120-III-23 GIGAQU ALEGRIA Timamana National High School Purok III Makugihon 125°30'0"E 125°35'0"E ( ) (Timamana) n # 9°36'0"N 9°36'0"N P TIMAMANA μ Purok I Mauswagon 0120.5 (Motorpool)# Kilometers Purok IPakisama (San# Isidro) Purok III Madasigon (San# Isidro) LL E G E N D : SAN ISIDRO Purok II Malipayon P POBLACION # (Motorpool) Purok IV Makugihon # Main road P! Barangay center location (San# Isidro) Purok II Makiangayon MOTORPOOL (San Isidro) P So. Magaling Purok III Mapahiubsanon Secondary road (Poblacion) Purok/Sitio location (Barangay) (Motorpool)# # Track; trail n School River v® Hospital Municipal boundary G Church F. Buyser Elementary School ( ) n 80 Contour (meter) Proposed relocation site Purok IV Makugihon (Motorpool)# Landslide 9°35'0"N 9°35'0"N Very high landslide susceptibility CAPAYAHAN Purok V Maykagawasan P (Motorpool) Areas usually with steep to very steep slopes and underlain by # weak materials. Recent landslides, escarpments and tension cracks are present. Human initiated effects could be an aggravating factor. Purok I Honesty (Capayahan)# Purok VI Madasigon High landslide susceptibility (Motorpool)# Areas usually with steep to very steep slopes and underlain by weak materials. Areas with numerous old/inactive landslides. Moderate landslide susceptibility Areas with moderately steep slopes. Soil creep and other indications of possible landslide occurrence are present. Purok III Sincerity (Capayahan) # Low landslide susceptibility Gently sloping areas with no identified landslide. Debris flow / Possible accumulation zone Purok IV Tabuk/Riverside Areas that could be affected by landslide debris. (Marga)# Active landslide >>>D Creep Purok III Kurbada Inactive landslide Tension crack Purok VII/Sitio Lambuyo (Marga)# (Marga)# Landslide area with mitigating measure HHHGully Purok VI (Marga)# ///Rock fall/Rock slide prone area Riverbank erosion MARGAP Purok V Purok II Malipayon Old landslide deposits (Marga)# # (Marga) 9°34'0"N 9°34'0"N Recent landslide deposits Areas susceptible to ground subsidence/sinkhole development Flood Very high flood susceptibility Santan Areas likely to experience flood heights of greater than (San# Pablo) 2 meters and/or flood duration of more than 3 days. Kasilak These areas are immediately flooded during heavy rains (Poblacion)# of several hours; include landforms of topographic lows Lightbringer/Hubasan (Cawilan) such as active river channels, abandoned river channels # and area along river banks; also prone to flashfloods. Tubod Central Elementary School n( ) High flood susceptibility Paraiso POBLACIONP (Poblacion)# Siga-siga Areas likely to experience flood heights of greater than 1 up to (Poblacion) Surigao del Norte College of Arts and Te # v® Silangan 2 meters and/or flood duration of more than 3 days. (Poblacion) ( ) Tubod Rural Health Unit # These areas are immediately flooded during heavy rains n P of several hours; include landforms of topographic lows SAN PABLO such as active river channels, abandoned river channels Riverside and area along river banks; also prone to flashfloods. (Cawilan) Madasigon # (Cawilan) Malinawon Moderate flood susceptibility # #(Cawilan) Areas likely to experience flood heights of greater than 0.5m up to Marciano Dapar Elementary School n( ) 1 meter and/or flood duration of 1 to 3 days. These areas are subject to widespread inundation during prolonged and Sampaguita (San# Pablo) extensive heavy rainfall or extreme weather condition. Fluvial terraces, alluvial fans, and infilled valleys are areas moderately subjected to flooding. 9°33'0"N 9°33'0"N 125°33'0"E 125°34'0"E 125°35'0"E 125°36'0"E Low flood susceptibility Areas likely to experience flood heights of 0.5 meter or less and/or flood duration of less than 1 day. These areas include Data Sources : Coordinate System : low hills and gentle slopes. They also have sparse to MGB Geohazard Assessment Team moderate drainage density. DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Spheroid : . Clark 1866 Lands Geological Survey Division Projection : . Transverse Mercator Geosciences Division MGB Regional Office XIII MINES AND GEOSCIENCES BUREAU Datum : . Luzon 1911 Direction of 1.2 National Mapping and Resource Information Authority ? Flood depth (meter) North Avenue, Diliman, Quezon City ? rising floodwater Direction of ! Mapping scale 1:10,000 Flashflood exit point ? % ALL RIGHTS RESERVED GIS Processing : receding floodwater PUBLISHED DECEMBER 2015 Lands Geological Survey Division.