Gamblers fallacy. A 1:150 chance of a Carrington class event happening in any given year does not mean that one will happen every 150 years. Earthquakes (e.g.

Gamblers fallacy. A 1:150 chance of a Carrington class event happening in any given year does not mean that one will happen every 150 years. Earthquakes (e.g. cascadia) are different. Tectonic strain is quantifiable.