Detailed Landslide and Flood Hazard Map of Hinatuan And
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II NN DD EE XX MM AA PP :: DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 126°15'0"E 126°20'0"E 4217-IV-10 4217-I-6 4217-I-7 8°25'0"N 8°25'0"N HINATUAN AND TAGBINA, SURIGAO DEL SUR; AND TAGBINA ROSARIO, AGUSAN DEL SUR, PHILIPPINES HINATUAN 4217-IV-15 4217-I-11 4217-I-12 4217-I-11 MARFIL QUADRANGLE ROSARIO 126°15'0"E 126°16'0"E 126°17'0"E 126°18'0"E 4217-IV-20 4217-I-16 4217-I-17 8°20'0"N 8°20'0"N 126°15'0"E 126°20'0"E Purok VII Kape 8°24'0"N Kape Primary School (Pagtigni-an)# 8°24'0"N (Bitoon)n μ 0120.5 Kilometers LL E G E N D : Main road POBLACIONP! Barangay center location So. Magaling Secondary road (Poblacion)# Purok/Sitio location (Barangay) Track; trail n School Purok VI (Maligaya) # River v® Hospital Purok VI Maligaya (Maligaya) Municipal boundary G Church 80 Contour (meter) Proposed relocation site Landslide 8°23'0"N 8°23'0"N Very high landslide susceptibility 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 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. Cantabon Purok IV (Sasa)# # Low landslide susceptibility Cantabon Purok III (Sasa) Gently sloping areas with no identified landslide. Cantabon Purok V Debris flow / Possible accumulation zone (Sasa)# Areas that could be affected by landslide debris. Active landslide >>>D Creep Inactive landslide Tension crack Landslide area with mitigating measure HHHGully ///Rock fall/Rock slide prone area Riverbank erosion Old landslide deposits 8°22'0"N 8°22'0"N Purok IV Lindo (Tagasaka)# Recent landslide deposits Areas susceptible to ground subsidence/sinkhole development Purok I Purok II (Tagasaka) Flood # Tagasaka Elementary School (Tagasaka)# P $ (Tagasaka) TAGASAKA nTagasaka Proposed Relocation Site Purok VII Palhi Tagasaka Elementary School (Tagasaka) (Tagasaka)# (Tagasaka) Very high flood susceptibility Areas likely to experience flood heights of greater than Tagasaka National High School (Tagasaka) Purok III 2 meters and/or flood duration of more than 3 days. n$ (Tagasaka)# Tagasaka National High School These areas are immediately flooded during heavy rains (Tagasaka) of several hours; include landforms of topographic lows such as active river channels, abandoned river channels and area along river banks; also prone to flashfloods. High flood susceptibility Areas likely to experience flood heights of greater than 1 up to 2 meters and/or flood duration of more than 3 days. These areas are immediately flooded during heavy rains of several hours; include landforms of topographic lows such as active river channels, abandoned river channels and area along river banks; also prone to flashfloods. Purok VI Suhoton (Tarusan)# Moderate flood susceptibility 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 Purok III (Tarusan) areas are subject to widespread inundation during prolonged and # Purok I (Tarusan)# extensive heavy rainfall or extreme weather condition. Fluvial terraces, Tarusan Proposed Relocation Site # (Tarusan) Purok IV Burinay (Tarusan) alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°21'0"N 8°21'0"N 126°15'0"E 126°16'0"E 126°17'0"E 126°18'0"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.