Threats  /  Alien Invasion

Alien Invasion

The far edge of the distribution. Listed for honesty and completeness, ranked at the very floor.

ScopeExistentialCauseVariousDriven bySystemicImpactCatastrophicLikelihoodRare
Alien Invasion
Why it matters

What Alien Invasion would mean for you

Three numbers decide how important Alien Invasion is to your preparedness planning. Impact and Likelihood are general baselines. Vulnerability depends on how prepared you are for this threat.

ImpactCatastrophic9/9
NegligibleCatastrophic

By definition a civilization-ending event if it ever occurred, which places the Impact at the top of the scale alongside the other existential entries.

LikelihoodRare1/9
RareFrequent

No evidence, no precedent, and no plausible mechanism on any planning horizon - the lowest Likelihood on the scale. It's here for completeness, not because it deserves a dollar of your budget.

VulnerabilityNot rated
NegligibleCatastrophic

This number is yours. It measures how hard Alien Invasion would actually hit your household given what you already have in place. Rate it in Threat Planning — then all three multiply into your personal threat rating.

Rate it in Threat Planning →

General baselines — How we rate threats →

Be ready

Preparing for Alien Invasion

Concrete moves that lower your Vulnerability. Add any of them and we'll track it as an action on your threat list.

Add to my threat list
Spend nothing specific here - only broad resilience (water, food, comms, community) helps any existential scenario.
Treat the existential tier as perspective, not a shopping list.
Pour the energy into everyday threats that are thousands of times likelier.
Keep a sense of humor - it's a preparedness asset too.
Learn more

Articles on Alien Invasion

Act on it

Tools for Alien Invasion

Make Alien Invasion part of your plan

Add it to your personal threat list, score it for your own household, or pull the real hazard data for your county.