Detailed Landslide and Flood Hazard Map of Sibagat

Detailed Landslide and Flood Hazard Map of Sibagat

II NN DD EE XX MM AA PP :: DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 125°40'0"E 125°45'0"E SIBAGAT, BAYUGAN, AGUSAN DEL SUR; 4118-IV-18 4118-IV-19 4118-IV-20 BUTUAN CITY (Capital) SIBAGAT AND LAS NIEVES, AGUSAN DEL NORTE, PHILIPPINES 4118-IV-23 4118-IV-24 4118-IV-25 BAYUGAN 4118-IV-24 TAGLIBAS QUADRANGLE LAS NIEVES 8°45'0"N 125°39'0"E 125°40'0"E 125°41'0"E 125°42'0"E 8°45'0"N 4118-III-3 4118-III-4 4118-III-5 100 125°40'0"E 120 8°48'0"N 1 1 0 0 8°48'0"N 0 0 0 0 1 8 14 2 1 0 1 4 0 8 Purok II 0 40 0 1 (Ilihan) 6 0 1 # 2 1 1 8 140 0 0 4 1 60 120 Purok I 6 (Ilihan) ILIHAN μ 0 140 # P # 0120.5 1 Purok VII 6 0 Ilihan Elementary School (Ilihan) 1 4 (Ilihan) Kilometers 0 n 1 4 0 0 4 Purok VIII 1 (Sinai) 0 # 16 Purok I (Sinai) LL E G E N D : 1 # 6 0 0 6 1 Main road POBLACION Barangay center location 0 P! 8 1 0 4 Purok III 180 1 So. Magaling (Ilihan)# (Poblacion) 0 Purok II Secondary road # Purok/Sitio location (Barangay) 2 2 (Sinai) 2 0 0 6 # 0 1 Purok VI 0 (Sinai) 2 80 Track; trail n # 1 School 1 4 0 0 0 8 4 1 1 SINAIPurok III v® Hospital 8 River 0 0 P (Sinai) 2 # n 1 160 Sinai Elementary School (Sinai) Municipal boundary G Church 0 12 80 Contour (meter) Proposed relocation site 0 4 1 0 4 Purok IV 0 1 4 1 (Ilihan) 0 # Purok V 4 (Sinai)# 1 Purok V (Ilihan)# Landslide 1 4 40 0 1 8°47'0"N 8°47'0"N 140 Very high landslide susceptibility 1 16 40 0 Areas usually with steep to very steep slopes and underlain by weak materials. Recent landslides, escarpments and tension 80 0 2 1 0 cracks are present. Human initiated effects could be an 14 aggravating factor. 120 120 4 40 0 High landslide susceptibility 60 14 0 Purok VI Areas usually with steep to very steep slopes and underlain by (Ilihan)# weak materials. Areas with numerous old/inactive landslides. 1 8 200 0 Moderate landslide susceptibility 8 0 4 0 0 6 1 200 Areas with moderately steep slopes. Soil creep and other indications of possible landslide occurrence are present. 0 0 4 0 6 1 6 1 160 0 Low landslide susceptibility 6 0 16 0 6 0 Gently sloping areas with no identified landslide. 10 180 1 0 0 Debris flow / Possible accumulation zone 80 0 14 Areas that could be affected by landslide debris. 1 40 Purok III 120 (Taglibas) # >>>D 0 Active landslide Creep 8 0 8 0 1 0 0 1 0 2 Inactive landslide Tension crack Taglibas Elementary School HHH (Taglibas) Landslide area with mitigating measure Gully 1 n 1 60 2 0 ///Rock fall/Rock slide prone area Riverbank erosion 0 80 10 TAGLIBAS Purok II 80 (Taglibas) 8 P 0 # Purok I Purok I Old landslide deposits (Bonifacio) (Taglibas)# 8°46'0"N 8°46'0"N # 10 BONIFACIOP 0 Recent landslide deposits n Purok II (Bonifacio)# Bonifacio Elementary School 0 (Bonifacio) Purok III 14 0 4 Areas susceptible to ground subsidence/sinkhole development (Bonifacio) 1 8 0 # 0 0 120 80 Flood 0 0 1 80 Very high flood susceptibility 0 10 Areas likely to experience flood heights of greater than 60 2 meters and/or flood duration of more than 3 days. Purok V These areas are immediately flooded during heavy rains (San Agustin)# 12 0 Purok III of several hours; include landforms of topographic lows (San Agustin) 1 such as active river channels, abandoned river channels 2 # 0 and area along river banks; also prone to flashfloods. 60 0 2 Purok I 1 (San Agustin) 1 1 # 0 4 # 0 0 High flood susceptibility Purok IV P Purok II (San Agustin) (San Agustin)# Areas likely to experience flood heights of greater than 1 up to 1 1 2 0 0 0 2 meters and/or flood duration of more than 3 days. 0 16 0 These areas are immediately flooded during heavy rains 0 0 0 1 1 0 6 of several hours; include landforms of topographic lows 1 0 San Agustin Elementary School 8 8 1 0 such as active river channels, abandoned river channels 8 (San Agustin) 0 n and area along river banks; also prone to flashfloods. 140 Moderate flood susceptibility 1 4 1 6 0 1 6 0 0 0 0 1 Areas likely to experience flood heights of greater than 0.5m up to 0 0 1 60 1 meter and/or flood duration of 1 to 3 days. These 80 areas are subject to widespread inundation during prolonged and 0 8 extensive heavy rainfall or extreme weather condition. Fluvial terraces, 6 0 0 0 1 alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°45'0"N 8°45'0"N 125°39'0"E 125°40'0"E 125°41'0"E 125°42'0"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.

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    1 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us