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Oregon · Preparedness Guide

Ready for what Oregon actually throws at you.

The Cascadia Subduction Zone could produce a 9.0 earthquake and 40-foot tsunami with 15 minutes' warning, wildfires that move at highway speed, and an ice storm that can paralyze Portland in hours.

About this guide

Built for Oregon. Not everywhere.

Oregon's hazard profile is dominated by one existential risk most residents rarely discuss: the Cascadia Subduction Zone. Running 700 miles offshore from northern California to British Columbia, it last ruptured in January 1700 — producing a magnitude 9.0 earthquake and tsunami that devastated Pacific Northwest coastal communities. Scientists estimate a 37% probability of a major Cascadia event in the next 50 years. Coastal Oregon towns have 15-30 minutes to evacuate to high ground before a 30-40 foot tsunami arrives. Inland, the Willamette Valley's flat geography offers no shelter from ice storms that paralyze Portland. Eastern Oregon burns every summer. The Coast Range and Cascades generate some of the most extreme rainfall and snowmelt flooding in the country.

Local self-reliance starts with knowing your place.

Quick facts

Top hazards: Cascadia Subduction Zone Earthquake & Tsunami, Wildfires, Flooding & Landslides

OR has expanded Medicaid — adults up to 138% FPL may qualify

USDA hardiness zones: 4b (eastern OR / Wallowa Mountains) to 9b (southwestern OR / Medford valley)

Unemployment: up to $872/week for 26 weeks

Free or low-cost soil testing available through the state extension service

Seven topics, one state

What this guide covers.

Each section focuses on one question. Find what you need without wading through what you don't.

Get specific

Make it personal to your county.

Enter your ZIP code to see real-time weather alerts, drought conditions, FEMA disaster declarations, and county-level resources.

Next steps

Where do you want to go next?

Know your risks

See what's actually likely where you live.

Flood zones, hazard maps, and the OR risks that apply to your county.

Local Risk Readiness

Build the basics

Start with three days of self-reliance.

The universal first step — before you personalize, get the 72-hour foundation in place.

First 72 Hours