II NN DD EE XX MM AA PP :: 125°45'0"E 125°50'0"E AGAT DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 4118-IV-25 4118-I-21 4118-I-22 8°45'0"N BAYUGAN, AGUSAN DEL SUR, PHILIPPINES 8°45'0"N BAYUGAN 4118-III-5 4118-II-1 4118-II-2 4118-II-1 BAYUGAN RIVER QUADRANGLE PROSPERIDAD (Cap 125°45'0"E 125°46'0"E 125°47'0"E 125°48'0"E 4118-III-10 4118-II-6 4118-II-7 Purok I ESPERANZA (Pinagalaan)# 125°45'0"E 125°50'0"E Purok II 8°45'0"N 8°45'0"N (Pinagalaan)# μ 0120.5 Purok IV (Santa Irene) # 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 River v® Hospital Municipal boundary G Church 80 Contour (meter) Proposed relocation site Sta. Irene Elementary School (Sta.n Irene) SANTAP IRENE Landslide Purok IIIA (Pinagalaan) # 8°44'0"N 8°44'0"N Purok I Very high landslide susceptibility (Santa# Irene) 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 Purok IIIB weak materials. Areas with numerous old/inactive landslides. (Pinagalaan)# Moderate landslide susceptibility Areas with moderately steep slopes. Soil creep and other indications of possible landslide occurrence are present. Low landslide susceptibility Purok VIIA Purok V Gently sloping areas with no identified landslide. (Poblacion)# (Fili)# Debris flow / Possible accumulation zone Purok VII Areas that could be affected by landslide debris. (Poblacion)# Purok IXB (Poblacion)# Active landslide >>>D Creep Purok IX Purok I Inactive landslide Tension crack (Poblacion)# (Santa# Teresita) Purok IXA (Poblacion)# Purok IV Landslide area with mitigating measure HHHGully (Taglatawan)# ///Rock fall/Rock slide prone area Riverbank erosion Purok VIIA (Taglatawan)# Purok II (Santa# Teresita) Old landslide deposits Purok V 8°43'0"N 8°43'0"N (Taglatawan) Purok X # Purok XI (Poblacion)# Purok IV (Fili) Recent landslide deposits Purok XI (Fili) # (Poblacion) Purok VIIB # # (Taglatawan) # Purok IVB Purok III Purok IX Areas susceptible to ground subsidence/sinkhole development Purok XVI (Hamogaway) (Fili) # (Fili) # (Poblacion)# Purok VIII # Purok IA (Taglatawan)# Fili High School Purok IV (Fili) (Santa Teresita) Purok II HAMOGAWAY (Taglatawan)# n Purok III # P (Hamogaway)# Purok III Purok I (Santa# Teresita) # Purok V Flood (Fili) P (Hamogaway) Purok VI Purok IIB# (Taglatawan) # Purok V Purok I # # Purok VI n (Hamogaway) (Taglatawan) (Santa Teresita) (Hamogaway) # # (Fili) SANTA TERESITA # # Hamogaway Elementary School # # (Hamogaway) Purok IB Very high flood susceptibility (Taglatawan) Purok X Purok III Purok XII # (Hamogaway) (Poblacion) (Fili)P # # Purok II Catam-isan Purok VIII Areas likely to experience flood heights of greater than FILI (Fili)# (Hamogaway)# 2 meters and/or flood duration of more than 3 days. TAGLATAWAN Sinadyap Elementary School P Purok XII (Santa Teresita) These areas are immediately flooded during heavy rains (Fili)# n Purok IIC of several hours; include landforms of topographic lows (Taglatawan)# Purok VII SW such as active river channels, abandoned river channels (Hamogaway)# and area along river banks; also prone to flashfloods. Purok VI (Santa# Teresita) High flood susceptibility Areas likely to experience flood heights of greater than 1 up to Purok I 2 meters and/or flood duration of more than 3 days. (Bucac) # These areas are immediately flooded during heavy rains of several hours; include landforms of topographic lows such as active river channels, abandoned river channels Purok IVA (Bucac)# and area along river banks; also prone to flashfloods. Moderate flood susceptibility Areas likely to experience flood heights of greater than 0.5m up to Purok VII Purok III (Santa Teresita) 1 meter and/or flood duration of 1 to 3 days. These (Bucac) # n# areas are subject to widespread inundation during prolonged and Bucac Elementary School (Bucac) extensive heavy rainfall or extreme weather condition. Fluvial terraces, alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°42'0"N 8°42'0"N 125°45'0"E 125°46'0"E 125°47'0"E 125°48'0"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.