P-wave arrivals from 80 earthquakes (M3.7-5.4 realized; 111-498 km) at IU.ANMO --- 40 sps broadband vertical --- impulsive, relatively anti-persistent
Standard analysis sees: heavy-tailed; left-skewed; red spectrum (low-frequency / 1-over-f power); time-irreversible (sharp rises, slow decay); nonstationary / drifting. The atlas detects no named structure beyond this. It sits beside Bearing Ball in the atlas (standard-bank rank 32) — a neighbor conventional features miss.
Nothing beyond the standard reading — this source’s structure is already captured by standard features; the atlas adds no named residual.









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| Nearest neighbor | Distance | |
|---|---|---|
| EEG Tumor | 2.92 | cross-origin |
| Gut Motility | 3.17 | cross-origin |
| Bearing Ball | 3.20 | cross-origin |
AutoRegressive › AutoRegressive:ar_coef_2 | rank 302/306 | -2.5469 |
Isochronicity › Isochronicity:amplitude_exploration | rank 1/306 | 2.1025 |
SL(2,ℝ) (Thurston) › SL(2,ℝ) (Thurston):mean_spectral_radius | rank 302/306 | 1.0199 |