II NN DD EE XX MM AA PP :: DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 126°0'0"E 126°5'0"E VERUELA 4217-III-21 4217-III-22 SANTA JOSEFA, AGUSAN DEL SUR; 4117-II-25 TRENTO 8°0'0"N 8°0'0"N SANTA JOSEFA AND MONKAYO, COMPOSTELA VALLEY, PHILIPPINES 4116-I-5 4216-IV-2 4216-IV-1 4216-IV-1 ANGAS QUADRANGLE MONKAYO 126°0'0"E 126°1'0"E 126°2'0"E 126°3'0"E 4116-I-10 4216-IV-6 4216-IV-7 Purok II (Santa Isabel) Purok I # (San Jose) 126°0'0"E 126°5'0"E # 8°0'0"N 8°0'0"N Purok III (Santa# Isabel) μ 0120.5 Kilometers Purok VI (Concepcion) # Purok I (Santa# Isabel) Purok I (Poblacion) # Purok V Purok VIIA (Santa# Isabel) LL E G E N D : (Poblacion)# Purok VA POBLACION Purok III (Santa Isabel) Main road Barangay center location (Poblacion)# # P! Purok IV Purok VI Sta. Josefa Central Elementary School (Poblacion) (Santa# Isabel) So. Magaling Purok VIIB (Poblacion)# n Secondary road (Poblacion) Purok/Sitio location (Barangay) (Poblacion)# Purok IV # Sta. Josefa National High School (Poblacion)# (Poblacion)n Purok V Track; trail n School Purok VII (Poblacion) Purok V nP # (Poblacion)# DayCare Center (Concepcion)# (Aurora) River v® Hospital Purok VIII Purok I (Poblacion)# (Concepcion)# G Sta. Josefa Ruralv® Health Unit Municipal boundary Church Purok II (Concepcion)## 80 Contour (meter) Proposed relocation site nPCONCEPCION Purok IXA Purok V Dao DayCare Center (Poblacion)# (Angas) (Patrocinio)# Purok IV Landslide (Concepcion)# Purok IX (Poblacion) 7°59'0"N 7°59'0"N # Very high landslide susceptibility Areas usually with steep to very steep slopes and underlain by Purok IV weak materials. Recent landslides, escarpments and tension (Patrocinio)# cracks are present. Human initiated effects could be an Purok II aggravating factor. (Patrocinio)# PATROCINIO Purok III nP High landslide susceptibility (Patrocinio)# Areas usually with steep to very steep slopes and underlain by weak materials. Areas with numerous old/inactive landslides. Moderate landslide susceptibility Purok XXIII (Angas) Areas with moderately steep slopes. Soil creep and other Purok XXII # (Angas)# Purok I indications of possible landslide occurrence are present. (Angas)# Low landslide susceptibility Purok XXV (Angas)# Gently sloping areas with no identified landslide. Purok V Debris flow / Possible accumulation zone (Awao)# Purok II (Angas)# Areas that could be affected by landslide debris. >>> Purok XXIV Purok III Active landslide D Creep (Angas) Purok X Bacilisi # (Angas)# (Patrocinio)# Inactive landslide Tension crack HHH # Landslide area with mitigating measure Gully Purok I (Awao)# Dao Primary School /// nP (Angas) Rock fall/Rock slide prone area Riverbank erosion Purok VII Bacilisi Purok IX AWAO (Angas) #(Angas)# # Purok X Bacilisi Purok VIII # (Angas) (Angas) # Old landslide deposits Purok IV Purok IV Lower Angas 7°58'0"N 7°58'0"N (Angas) (Awao)# # Recent landslide deposits Purok XIX Dao Purok XX Dao (Angas) # Areas susceptible to ground subsidence/sinkhole development (Angas) # # Purok I Dao (Angas)# Flood Purok XVDurian# Purok XVII Durian (Angas)# (Angas) # Very high flood susceptibility Areas likely to experience flood heights of greater than 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 Purok X Purok XIV (Awao)# (Angas)# such as active river channels, abandoned river channels and area along river banks; also prone to flashfloods. Purok XIII Purok X Purok XIII Site II (Angas) nP (Angas) # (Angas)# Purok XIII Rel Site I High flood susceptibility (Angas) Purok X Cebuli (Angas)# 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. 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 areas are subject to widespread inundation during prolonged and extensive heavy rainfall or extreme weather condition. Fluvial terraces, alluvial fans, and infilled valleys are areas moderately subjected to flooding. 7°57'0"N 7°57'0"N 126°0'0"E 126°1'0"E 126°2'0"E 126°3'0"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.