Earthquake Depths

geophysical · 37 views
geophysicalstochastic

What It Is

Real USGS earthquake depths --- bimodal: shallow crustal (<30km) and deep subduction (>100km), ~77k M4.0+ events 2020-2024 (USGS ANSS ComCat)

Interpretation

Standard analysis sees: right-skewed; multifractal. The atlas additionally detects Attractor Reconstruction:lyap_entropy.

What standard analysis sees
tail heaviness0.84
asymmetry0.93
occupancy0.27
short-range corr0.40
long-range memory0.54
spectral colour0.61
periodicity0.23
complexity0.71
time-irreversibility0.37
volatility clustering0.35
multifractality0.90
dimensionality0.24
nonstationarity0.57
What the atlas adds
Attractor Reconstruction:lyap_entropy+2.2z
Kolmogorov-Sinai entropy production rate (sum of positive λ)
Atlas-extreme metrics the standard bank can’t predict for this source
Continued Fraction:log_khintchine_mean+3.4zbank-miss 1.2σ
Spirograph:gear_rationality-3.3zbank-miss 2.0σ

Composition

dtypefloat64
range[0, 675.3]
unique values9321 / 16384
mean ± std86.1 ± 137

Render Gallery

Atlas Position

Nearest neighborDistance
Sandpile3.68cross-origin
Multiplicative Cascade3.82cross-origin
Earthquake Magnitudes3.90

Open in Atlas →

Which Geometries Light Up

2-adic2-adic:valuation_transition_predictabilityrank 305/3070.3408
Continued FractionContinued Fraction:log_khintchine_meanrank 4/3071.9462
NonstationarityNonstationarity:change_quantiles_highrank 1/3070.2817
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