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Cinematic concept of megaquake & tsunami
Return to doomsday index GEOLOGIC

Megaquake & Tsunami

REGIONALLY PLAUSIBLE

Movement along major plate boundaries can produce destructive earthquakes and, offshore, dangerous tsunamis.

THE SCENARIO

What could happen?

Could megaquake & tsunami cause the end of the world? Movement along major plate boundaries can produce destructive earthquakes and, offshore, dangerous tsunamis. The exact effects would depend on location, scale, warning time, and the systems affected. This page separates the spectacular premise from preparations that are useful in ordinary emergencies too.

REALITY CHECK

Tectonic plates do not suddenly slide the whole crust at once, but major regional events are real.

THE USEFUL PLAN

Secure heavy objects, practice drop-cover-hold, map tsunami zones, and keep a go-bag.

THE PLAN THAT STILL WORKS

Start with the universal essentials.

Open the all-in-one kit Educational overview only. For an active emergency, follow official local guidance.