Geohazard Studies

These studies aim to evaluate and understand natural hazards that may impact infrastructure and communities, including landslides, earthquakes, karstic cavities, erosion, and rockfalls.

2.1 Work Methodology

1) Historical Data Compilation & Analysis

• Building and analyzing local and regional seismic databases (USGS, EMSC).

2) Satellite Imagery & Geophysical Surveys

• Using LiDAR and Sentinel-2 imagery to monitor ground deformation and terrain changes.
• Conducting seismic and refraction surveys to identify unstable or weak subsurface layers.
• Applying Ground Penetrating Radar (GPR) to detect voids and karst features.

3) GIS-based Hazard Modeling

• Integrating slope, lithology, rainfall, and vegetation cover data.
• Generating geohazard maps using Weighted Overlay and AHP (Analytic Hierarchy Process).

4) Seismic Hazard Assessment

• Applying Probabilistic Seismic Hazard Analysis (PSHA).
• Calculating Peak Ground Acceleration (PGA) and deriving seismic design parameters for buildings and infrastructure.

5) Slope Stability Analysis

• Using software tools such as RocScience and GeoStudio to calculate the Factor of Safety (FOS) for slopes.

2.2 Technical Deliverables

• Multi-layered geohazard maps.
• Detailed seismic hazard analysis reports.
• Probabilistic models for landslides and rockfall hazards.
• Practical recommendations for risk reduction and mitigation.

2.3 Technical Value

Engineering geology and geohazard studies form the backbone of sustainable infrastructure projects.
Through these studies, GeoExperts helps to:

• Ensure long-term stability and safety of structures.
• Reduce future maintenance and rehabilitation costs.
• Enhance the reliability of designs in mountainous and desert terrains.
• Provide reference datasets for major projects such as tunnels, dams, and coastal structures.