Earthquake P-wave

geophysical · 37 views
geophysicalstochastic

What It Is

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

Interpretation

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.

What standard analysis sees
tail heaviness0.93
asymmetry0.04
occupancy0.27
short-range corr0.71
long-range memory0.54
spectral colour0.02
periodicity0.34
complexity0.39
time-irreversibility0.89
volatility clustering0.73
multifractality0.82
dimensionality0.32
nonstationarity0.99
What the atlas adds

Nothing beyond the standard reading — this source’s structure is already captured by standard features; the atlas adds no named residual.

Composition

dtypefloat64
range[-2.555e+04, 2.166e+04]
unique values5239 / 16384
mean ± std773 ± 2.49e+03

Render Gallery

Atlas Position

Nearest neighborDistance
EEG Tumor2.92cross-origin
Gut Motility3.17cross-origin
Bearing Ball3.20cross-origin

Open in Atlas →

Which Geometries Light Up

AutoRegressive › AutoRegressive:ar_coef_2rank 302/306-2.5469
Isochronicity › Isochronicity:amplitude_explorationrank 1/3062.1025
SL(2,ℝ) (Thurston) › SL(2,ℝ) (Thurston):mean_spectral_radiusrank 302/3061.0199
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