Regional Modeling
High-Resolution Stress Field Modeling: Asia-Pacific Ring of Fire
GSIN developed 3D stress-field models for the Asia-Pacific region, targeting the highly active Ring of Fire — spanning Japan, the Philippines, Indonesia, Papua New Guinea, and surrounding convergence zones. These simulations integrate multi-source seismic data to reconstruct evolving crustal stress and strain energy accumulation.
Regional Coverage
Japan
Subduction interface modeling (Pacific + Philippine plates)
Philippines
Multi-plate boundary stress interactions
Indonesia
Sunda megathrust and volcanic arc coupling
Papua New Guinea
Convergent margin stress evolution
Taiwan
Okinawa Trough extension + subduction
South Korea
Intraplate stress redistribution mapping
Model Specifications
Grid Resolution:64³–128³ voxels (adaptive)
Temporal Window:90-day rolling stress evolution
Update Frequency:10-minute inference intervals
Input Sources:USGS, JMA, PHIVOLCS, GeoNet, GFZ, BMKG
Depth Range:0–700 km (crust to deep mantle)
Architecture:3D U-Net + LSTM temporal fusion
Key Findings
Subduction Zone Patterns
Stress accumulation detected along major subduction interfaces — notably the Japan and Philippine Trenches — preceding M6+ seismic events.
Volcanic Arc Correlation
Stress variations correlate with unrest in Indonesia's Sunda Arc, hinting at early indicators for coupled volcanic-seismic activity.
Aftershock Forecasting
Predicted 80% of aftershock clusters within 50 km of observed epicenters for multiple M6+ events.
Slow Slip Events
Detected temporal stress anomalies consistent with slow slip activity in Japan and New Zealand subduction systems.
Operational Applications
Regional seismic hazard assessment for infrastructure planning
Real-time stress monitoring for earthquake early warning systems
Aftershock probability modeling for emergency response
Insurance risk modeling and portfolio assessment
Full Technical Report
Includes model architecture, validation metrics, and detailed regional analysis.