II NN DD EE XX MM AA PP :: 126°5'0"E 126°10'0"E DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 4218-III-12 4218-III-13 LIANGA AND BAROBO, SURIGAO DEL SUR, PHILIPPINES LIANGA 8°35'0"N 4218-III-18 LIATIMCO QUADRANGLE 8°35'0"N 4218-III-17 4218-III-18 4218-III-19 126°6'0"E 126°7'0"E 126°8'0"E 126°9'0"E BAROBO 4218-III-22 4218-III-23 4218-III-24 126°5'0"E 126°10'0"E 8°36'0"N 8°36'0"N 40 40 μ 0120.5 Kilometers 60 LL E G E N D : Main road POBLACION! Barangay center location Purok VI Sabang P (Anibongan)# So. Magaling Secondary road (Poblacion)# Purok/Sitio location (Barangay) Track; trail n School River v® Hospital Municipal boundary G Church 80 Contour (meter) Proposed relocation site Purok VII (Anibongan)# Anibongan National High School n (Anibongan) Landslide 8°35'0"N 8°35'0"N 0 Very high landslide susceptibility 2 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. High landslide susceptibility Areas usually with steep to very steep slopes and underlain by 0 2 weak materials. Areas with numerous old/inactive landslides. 0 2 Moderate landslide susceptibility PHILIPPINE SEA Areas with moderately steep slopes. Soil creep and other 0 2 indications of possible landslide occurrence are present. Low landslide susceptibility 6 0 Gently sloping areas with no identified landslide. Debris flow / Possible accumulation zone Areas that could be affected by landslide debris. La Union Elementary School (Liatimco)n Active landslide >>>D Creep Inactive landslide Tension crack Purok I (Liatimco) 4 # 0 HHH 8 Landslide area with mitigating measure Gully 0 Purok II (Liatimco)# ///Rock fall/Rock slide prone area Riverbank erosion LIATIMCO P Purok III Secret Love Daycare Center 1 (Liatimco) 00 (Liatimco) n # Old landslide deposits 8°34'0"N 8 0 8°34'0"N Purok IV 6 (Liatimco) Recent landslide deposits 0 # Purok VII (Wakat) Wakat National High School 10 0 # (Wakat) 0 4 n Areas susceptible to ground subsidence/sinkhole development WAKAT Purok VIP (Wakat)# Purok V 6 0 0 (Wakat) 6 # Flood Wakat Day Care Center 6 0 0 (Wakat)n 4 n Purok IV Purok III (Wakat) Very high flood susceptibility (Wakat)# # 60 20 Areas likely to experience flood heights of greater than 100 2 meters and/or flood duration of more than 3 days. 40 Purok II 4 0 These areas are immediately flooded during heavy rains 0 (Wakat) 4 # 80 of several hours; include landforms of topographic lows such as active river channels, abandoned river channels 1 16 0 0 14 0 0 and area along river banks; also prone to flashfloods. 1 2 0 Purok I High flood susceptibility (Wakat)# Areas likely to experience flood heights of greater than 1 up to 0 14 4 0 2 meters and/or flood duration of more than 3 days. 1 These areas are immediately flooded during heavy rains of several hours; include landforms of topographic lows 0 6 1 such as active river channels, abandoned river channels and area along river banks; also prone to flashfloods. Moderate flood susceptibility 20 00 1 1 1 2 0 Areas likely to experience flood heights of greater than 0.5m up to 1 meter and/or flood duration of 1 to 3 days. These areas are subject to widespread inundation during prolonged and 80 extensive heavy rainfall or extreme weather condition. Fluvial terraces, 1 2 0 alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°33'0"N 8°33'0"N 126°6'0"E 126°7'0"E 126°8'0"E 126°9'0"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.