16 lines
653 B
Text
16 lines
653 B
Text
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USGS Earthquake Catalogue — Completeness Summary
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==================================================
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Total events loaded: 14,735
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Date range: 2018-01-01 — 2019-12-30
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Gutenberg-Richter b-value (M≥4.5): 1.410
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Estimated catalogue completeness onset (CV < 15% over 5-year window):
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M ≥ 4.0: no clear stabilisation
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M ≥ 4.5: no clear stabilisation
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M ≥ 5.0: no clear stabilisation
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M ≥ 5.5: no clear stabilisation
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M ≥ 6.0: no clear stabilisation
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M ≥ 7.0: no clear stabilisation
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NOTE: Use M≥4.5 from ~1976 onwards for global cross-correlation analysis.
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Earlier data should be treated with caution — counts are systematically low.
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