Seismic Risk Analysis

Tokyo & Kanto Plain

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35.69°N, 139.69°E R = 250 km 103 Yıl Birikim 0.8 Metre (Sagami Trench)

Sagami Trench subduction + İntra-slab gerilimi. Philippine Sea Plate batıya dalar. — Sagami Trench subdüksiyon bölgesi + Tokyo Metropol fay zonu. Kayma hızı 40–50 mm/yr (Philippine Sea Plate); son büyük olay: 1923 Büyük Kanto M7.9.

01Instant Risk Assessment
Talivio Engine·[TAL-401]render per-band ML risk cards

5 Magnitude Band Forecast

02Regional Model v2
Eren Bostan·[TAL-402]wire pretrained regional band models

Bölgeye Özel Band Tahminleri

Koordinata en yakın önceden eğitilmiş bölgesel model kullanılır. Her band ayrı stratejiyle eğitilmiştir (zor negatifler, temporal validation).

Yükleniyor…
03Physical Framework
Talivio Engine·[TAL-403]summarize seismic cycle metrics

Seismic Cycle Summary

Seismic Gap
103 Yıl Birikim
Son kırılmadan beri
Slip Deficit
0.8 Metre (Sagami Trench)
Birikmiş plastik deformasyon
Slip Rate
40–50 mm/yr (Philippine Sea Plate)
Jeodezik GNSS ölçümü
Max. Moment
M≥8.0
Segment potansiyeli
b-Value Trend
Model çıktısından
Dominant Band
En yüksek risk skoru
05Tidal & Lunar Cycle
Talivio Engine·[TAL-405]overlay celestial tidal stress window

Celestial Alignment Window

06Historical Seismic Activity
Eren Bostan·[TAL-406]chart historical magnitude frequency

Magnitude Band Catalog Distribution

Kaynak: USGS, AFAD, ISC Bulletin (1900–2026) — Tokyo & Kanto Plain, R=250 km. Değerler 100 yıllık normalize sıklığı temsil eder.

07Spatial Risk Distribution
Talivio Engine·[TAL-407]render spatial risk heatmap grid

Region Risk Heatmap

250 km yarıçap içinde 12×12 ızgara üzerinde ML risk skoru. Yeşil → düşük, sarı → orta, kırmızı → yüksek.

Detailed Risk Analysis Report
High-resolution grid, fault proximity scores, and 5-year probability forecasts.
Get Full Report
08Regional Geology
Eren Bostan·[TAL-408]list regional fault geology details

Fault System Details

Fault systemSagami Trench subdüksiyon bölgesi + Tokyo Metropol fay zonu
Fault typeSubdüksiyon + içslab
Slip rate40–50 mm/yr (Philippine Sea Plate)
Last major event1923 Büyük Kanto M7.9
Segment potentialM≥8.0
Seismic Gap103 Yıl Birikim
Slip Deficit0.8 Metre (Sagami Trench)
09ML Model Metrics
Talivio Engine·[TAL-409]surface per-band ROC-AUC scores

Band-Level ROC-AUC Accuracy

M3–4 (CalibratedFrozenEstimator) 1.000
M4–5 (CalibratedFrozenEstimator) 0.914
M5–6 (CalibratedFrozenEstimator) 0.843
M6–7 (CalibratedFrozenEstimator) 0.827
M7+ (CalibratedFrozenEstimator) 0.970
10Model Validation
Eren Bostan·[TAL-410]report walk-forward backtest accuracy

Backtest & Forecast Accuracy

Walk-forward backtest from 1990 to present — at every time slice the model is trained only on past data and tested on future events.

Avg. ROC-AUC
Brier Score
ECE (Calibration)
Test Windows
Skill Score (Poisson)
Prospective Forecast Accuracy

Every forecast is stored and verified against the USGS catalog when its window closes. Real performance — not retrospective.

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11Prospective Validation
Talivio Engine·[TAL-411]list past forecast hit/miss outcomes

Past Forecasts (Last 60 Days)

Forecasts issued by the system and their outcomes. Each forecast window is automatically matched against the USGS catalog when it closes.

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Forecasts are automatically saved and verified against the USGS catalog.