Portland Earthquakes and Landslides

All of Portland, Oregon is at risk for earthquakes, which is why emergency preparedness and seismic retrofitting older homes (primarily bolting frames to foundations) is important.

Most of the landslide risk in Portland exists in the west hills, but there are a few other parts of the city that carry risk. We write articles on earthquake and landslide preparedness and provide updated maps to check for risks in your area.

Portland Seismic Retrofit Guide: Earthquake Readiness

Updated 06/2024. Our awareness of the threat of seismic activity in the Portland area grows each year, causing increasing concerns for sellers and buyers. Recent studies show that at least one local fault is more active than previously thought. This discovery also increases the likelihood that other faults may put Portland at more risk for […]

Six Portland, Oregon Earthquake Maps

As with every city, Portland, Oregon doesn’t come without its hazards, one of which is the potential for earthquakes, given that our city rests on a fault line. But there are ways to deal with this particular hazard, including retrofitting your home and being prepared in the event an earthquake does happen. Another step in […]

Portland Earthquake Maps Guide

Updated 10/2024. Portland does get its fair share of earthquakes, as does Oregon overall, but our state experiences fewer than any other West Coast State. There’s also good news for the future. Geologists are getting better at understanding, mapping, and predicting seismic activity. Maps also continue to improve, helping us stay better prepared for disasters […]

Portland Natural Disaster Map 2019 – Floods, Fires, Quakes, and Slides!

We here in the Pacific Northwest enjoy a relatively mild climate year-round — no polar vortexes, and just a few hot days in the summer. In Portland and the surrounding metro areas, most homeowners don’t worry too much about natural disaster, but there are some specific threats to be aware of. Knowing how and where […]

Portland Home Buyers’ Guide to Landslides

Portland, Oregon is one of the safest places to live in the country. We have a low crime rate, our air quality is great, and hurricanes and tornadoes are pretty much nonexistent. So what do we have to worry about? Slides. No, not kids in parks having too much fun, but landslides! When you combine […]

Earthquake Preparedness for Portland Home Buyers and Sellers

Home buyers and sellers in Portland let out a big “gulp” last month when they read the New Yorker article about “The Really Big One” or any of the follow-up stories in the local media. Those who study earthquakes are saying that there is a 30% chance of a magnitude 8.0–8.6 earthquake and a 10% […]

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