The new strong motion seismic network in southwest British Columbia, Canada
Bibliographic record
Abstract
The Geological Survey of Canada has designed a new type of low-cost strong motion seismometer and is currently updating its strong motion seismic network with the new instruments. As of January 2004 about fifty instruments are in operation in Southwestern British Columbia and in a dense urban demonstration network in the cities of Vancouver and Richmond. With a noise floor of 0.5 mg (with g beeing the earth's acceleration) and a range of ±4 g over a frequency band 0 - 42 Hz the instrument is ideally suited for urban strong motion networks. The instrument can also be fitted with external velocity sensors for use in studies of building structural dynamics. Continuous full waveform data are recorded and stored in an internal ring-buffer by each instrument. Data can be retrieved with standard Internet protocols like FTP and SSH/SCP at any time. Parametric data such as peak ground acceleration (PGA), velocity (PGV) and spectral intensity (PSI) from an event as measured by an individual instrument are reported in near real time and are used to generate an experimental shake-map as a tool for emergency response agencies. The instruments employ solid-state sensors and are virtually maintenance free. Instrument network configuration and acquisition parameters can be managed remotely over the Internet. The techniques to maintain continuous Internet connections with the instruments have proven to be robust and reliable.
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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 | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 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".