Spatiotemporal Seismic Risk Assessment of Wood-frame Houses in Victoria, Canada under M9 Megathrust Subduction Sequences
Bibliographic record
Abstract
This study assesses spatiotemporal seismic risk of a realistic portfolio of wood-frame houses in the City of Victoria, British Colombia, Canada, subjected to a M9 sequence of earthquakes originating from the Cascadia subduction zone in Pacific Northwest. Crustal aftershocks, triggered by the mega-thrust mainshock, may occur in much proximity to population and buildings, and different types of buildings may be affected due to different ground-motion characteristics. The developed time-dependent seismic risk model consists of an Epidemic Type Aftershock Sequence model, ground-motion model, and aftershock seismic fragility model. The seismic hazard model for synthetic mainshock-aftershock sequences is combined with the state-dependent fragility model to estimate time-dependent damage states of wood-frame houses. The output of the assessment is useful for making various risk management decisions more effectively.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".