About

MoonAlibi (moonalibi.com) is a fact-checking site that tests "blame it on the full moon" claims against public statistics.

• Operator: EZS Information System, Inc.
• Email: [email protected]
• X (Twitter): @moonalibi_en (English) / @moonalibi_jp (Japanese)

Contact

Corrections, methodological critiques, and media inquiries are welcome by email or via the X accounts above. We usually reply within 2–3 business days. Feedback from researchers on the methodology is especially appreciated.

Disclaimer

This site presents historical statistics only. It does not provide guidance for disaster preparedness, medical, or investment decisions. See the Terms of Use for details.

Credits

• Earthquake data: USGS Earthquake Catalog (U.S. Geological Survey)
• Birth data: U.S. daily births derived from the Social Security Administration (SSA)
• Tide data: NOAA San Francisco tide gauge
• Weather & pressure data (precipitation, wind, temperature, pressure): ERA5 reanalysis, Copernicus Climate Change Service (C3S) (CC BY 4.0)
• FX data: European Central Bank (ECB) reference rates
• Crude oil data: U.S. Energy Information Administration (EIA) daily spot prices
• Traffic-accident data: National Police Agency "Traffic Accident Statistics" (Japan) / U.S. DOT NHTSA "FARS" (fatal crashes)
• Crime data: City of Chicago and City of New York open data
• Fire data: City of San Francisco (DataSF) / London Fire Brigade (London Datastore, UK Open Government Licence)
• Pageview data (Wikipedia): Wikimedia Pageviews (CC0)
• News tone: The GDELT Project
• Search data: Google Trends
• Baseball data: Retrosheet ("The information used here was obtained free of charge from and is copyrighted by Retrosheet.")
• Football data: openfootball (CC0 / public domain)
• Produce & seafood data: Tokyo Metropolitan Central Wholesale Market daily report
• Moon phase computation: in-house implementation based on Jean Meeus, "Astronomical Algorithms"