Editorial Authority on Catastrophic Risk

History's Deadliest Disasters.
Are You Ready for the Next One?

The Pacific Northwest sits atop one of the planet's most dangerous fault systems. We break down the catastrophes that reshaped history — and exactly how Portland-area residents can prepare for what's coming.

Your PNW Risk Profile → Explore the Rankings

Disaster Categories

37%

Cascadia Quake Odds / 50yr

2wks

FEMA-Advised Supply

M9.0

Cascadia Max Magnitude

The Ranking

Ten Catastrophes That
Defined Human History

Ranked by peak death toll across recorded history. Each category links to a fully-sourced pillar report.

Featured Regional Threat

The Cascadia Subduction Zone

A 700-mile fault off the Oregon coast is overdue for a magnitude-9.0 megaquake and tsunami. Scientists estimate a one-in-three chance within the next 50 years. If you live near Portland, this is the disaster that matters most.

Read the Cascadia Briefing →

37%

probability within
the next 50 years

Preparedness

Knowledge Is the First Supply

Our editors independently evaluate preparedness gear against FEMA and Red Cross guidance. We may earn a commission — it never changes our rankings.

Editors' Pick

The 72-Hour Go-Bag

Our top-rated grab-and-go kit, benchmarked against Red Cross checklists for a family of four.

See Our Top Kit →

Best Value

2-Week Food Supply

Shelf-stable calories that actually taste edible. The exact storage we recommend for Cascadia readiness.

Compare Food Kits →

Essential

First Aid & Trauma

The unglamorous gear that saves lives in the hours before help arrives. Vetted against Red Cross standards.

View Essentials →

History's Deadliest Disasters.Are You Ready for the Next One?

Ten Catastrophes ThatDefined Human History

Pandemics

Floods

Earthquakes

Hurricanes

Tsunamis

Volcanic Eruptions

Nuclear Accidents

Terrorist Attacks

Wildfires