Flood & Landslide Hazard Maps
MGB-DENR Region III | Detailed geohazard maps for all Bataan municipalities
Bataan Province, PH
Sun, 06 Sep 2026
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MGB Region III · DENR · Geohazard Assessment
Flood & Landslide Hazard Maps
Detailed susceptibility maps — all 12 Bataan municipalities · DENR Mines and Geosciences Bureau Regional Office III
12
Municipalities
67
High-Risk Brgy
217
Total Analyzed
Reference-map notice: Flood and Landslide Susceptibility Zone labels below are visual interpretations of the supplied MGB map PNGs. They are reference information, not coordinate-level records generated by Import & AutoML.
🌊FLOOD
Very High
High
Moderate
Low
⛰️LANDSLIDE
Very High
High
Moderate
Low
Glance View
Bagac — Landslide & Flood Hazard Map
MGB Geohazard Assessment Team · Geosciences Division MGB Region III · Scale 1:40,000 · 2020 · 1904×2000px native
Flood Risk: MEDIUM 5/14 High-Risk
100%
Hazard Map Bagac
Flood:Moderate – High Landslide:Very High – High Res:1904×2000
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🌊
Flood Susceptibility
Moderate – High
Purple/blue zones. Flood depths & duration vary by level. Very High = >2m lasting >3 days during extreme events. Includes active river channels, abandoned channels & topographic lows along river banks.
⛰️
Landslide Susceptibility
Very High – High
Brown/red zones on steep slopes underlain by weak materials. Evidence includes recent landslides, scarps, tension cracks, gullies. Human-initiated effects (road cuts, excavation) are aggravating factors.
🤖
Flood Exposure Summary
5 / 14 Brgy
5 of 14 barangays fall under the actual Moderate to High / High flood susceptibility classes from the validated Excel file. Municipality classification: MEDIUM. Dominant hazard: ⛰️ Landslide Dominant.
🌊 Flood Susceptibility Zones — Bagac
Zone 1: Bagac Bay Coast
High Flood
💧 Depth: 1–2m
Duration: 1–3 days
Affected Barangays:
Bagac Poblacion Ibis Binuangan
Zone 2: River Valleys
Moderate Flood
💧 Depth: 0.5–1m
Duration: 1–3 days
Affected Barangays:
Pag-asa Saysain Atilano L. Ricardo
⛰️ Landslide Susceptibility Zones — Bagac
Zone 1: Natural Park Core
Very High LS
🪨 Type: Mass wasting, debris flows
Affected Barangays:
Camachile Mabayo Parang
Zone 2: Park Boundaries
High LS
🪨 Type: Shallow slides, creep
Affected Barangays:
Quinawan Tabing-Ilog
📋 Location Data Details — Bagac
Bagac is Bataan's most mountainous municipality. The Bataan Natural Park interior dominates the western half with very high landslide susceptibility, while river valleys leading to the West Philippine Sea show moderate to high flood susceptibility. Based on the validated Excel counts, 5 of 14 barangays fall under the Moderate to High / High flood classes.
Source
MGB–DENR Region III
Scale
1:40,000
Map Year
2020 Updated
Resolution
1904×2000px
Datum
Luzon 1911
Projection
Transverse Mercator
📊 All Municipalities — Comparative Overview
City of Balanga
14/24
Samal
9/14
Hermosa
6/15
Abucay
4/9
Bagac
5/14
Mariveles
1/13
Dinalupihan
15/46
Limay
0/12
Orion
3/23
Orani
8/23
Pilar
2/19
Morong
0/5
100%
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