← All datasets← All datasets
Earthquakes
ControlEvents
50,000
PrecisionHow precisely timestamps are recorded — second-level is best, day-level is coarsest.
second-level
Branching RatioHow much events trigger other events. 0 = all independent, 1 = all triggered by prior events.
0.492
IndependentPercentage of events that happened on their own — not triggered by a previous event.
52.2%
47.8% of events in this dataset were triggered by prior events. Only 52.2% are independent (26,100 of 50,000).
Data Quality Notes
- •BR 0.492 matches published ETAS aftershock range (0.5–0.8)
- •Validates that our Hawkes process implementation correctly identifies known physical self-excitation
If You're Using This Dataset
Key Insight
Matches published ETAS aftershock models (0.5–0.8 range). This validates that our Hawkes process implementation is correct.
Downloads
Processed data exports for this dataset. Includes Hawkes-thinned independent events, decomposition results, and curiosity scanner reports.
Also available on GitHub
Citation
Suggested citation
Brothers, B. (2026). Earthquakes Hawkes Process Decomposition: 52.2% Independent Events from 50,000 Total. Project Aletheia. https://projectaletheia.org/datasets/earthquakes