Relocation of earthquake clusters using the double difference technique
Why this work is in the frame
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Bibliographic record
Abstract
We use the Double-Difference(DD) method to relocate 47 earthquakes from Loma Prieta,California.The events chosen in this study have previously been well identified as members of three multiplets,each made up of a cluster of nearly identical microearthquakes(magnitudes from 0.9 to 2.0).Prior to the relocation,each of these overlapping clusters each had a radius measuring 200m or larger.The relocation reduces the cluster radii by approximately an order of magnitude,resulting in three well-separated micro-clusters.The estimated relative epicentral error of the relocated events is 8.5 m while the corresponding depth error is 23.4 m.
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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 | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 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 it