Portland, OR Earthquake Report

Maps of Earthquakes in Portland, OR

Earthquake List

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Portland, OR Earthquake Probability

Low Risk Area

The USGS database shows that there is a 30.92% chance of a major earthquake within 50km of Portland, OR within the next 50 years. The largest earthquake within 30 miles of Portland, OR was a 3.9 Magnitude in 2014.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
30.92%
5.1
27.63%
5.2
24.77%
5.3
22.31%
5.4
20.20%
5.5
18.40%
5.6
16.87%
5.7
15.58%
5.8
14.49%
5.9
13.57%
6.0
12.80%
6.1
12.01%
6.2
11.18%
6.3
9.05%
6.4
8.50 %
6.5
8.05%
6.6
6.48%
6.7
5.04%
6.8
3.80%
6.9
2.66%
7.0
1.61%
7.1
0.79%
7.2
0.03%
7.3
0.01%
7.4
0.00%
7.5
0.00%
7.6
0.00%
7.7
0.00%
7.8
0.00%
7.9
0.00%
8.0
0.00%
8.1
0.00%
8.2
0.00%
8.3
0.00%
8.4
0.00%
8.5
0.00%
8.6
0.00%
8.7
0.00%
8.8
0.00%
8.9
0.00%
9.0
0.00%
9.1
0.00%
9.2
0.00%

Portland, OR Historical Earthquakes (within 30 miles)

All distances and depths in the table below are measured in miles.

Area Earthquakes By Year (>2.5 Mag)

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Environment Report Summary

Very Low Risk
Moderate Risk Area
Moderate Potential Risk