HV.DEVL volcanic tremor during 2018 Kilauea eruption --- harmonic tremor at 100 sps, quasi-periodic with complex amplitude modulation, narrowband (IRIS CC0)
Standard analysis sees: red spectrum (low-frequency / 1-over-f power); time-irreversible (sharp rises, slow decay). The atlas finds no named structure, but the source is distinctively extreme on AutoRegressive:ar_coef_9 (+2.3z) — beyond what the standard bank predicts for it.
AutoRegressive:ar_coef_9 | +2.3z | bank-miss 1.7σ |
Spectral Analysis:spectral_slope | -2.1z | bank-miss 1.0σ |








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| Nearest neighbor | Distance | |
|---|---|---|
| Kuramoto Oscillators | 3.03 | cross-domain |
| Newton-Leipnik Attractor | 3.66 | cross-domain |
| EEG Healthy | 3.66 | cross-domain |
This source does not rank extreme on any metric.