Non mi stancherò mai di ripeterlo: finché non li asfalta davvero almeno una volta, per gli umani una catastrofe non esiste.

Geomagnetic storms are one of a small set of events found in the historical and geological record that present plausible threats of catastrophe. Pandemics are another, giant volcanic eruptions a third. Seeing how well—or how poorly—countries are currently coping with the only one of these catastrophes of which they have prior experience raises the question of how they might cope with the others.
The world should think better about catastrophic and existential risks – The Economist