Earthquake Information for Gresham, Oregon

Gresham, OR has a high earthquake risk, with a total of 312 earthquakes since 1931. The USGS database shows that there is a 32.67% chance of a major earthquake within 50km of Gresham, OR within the next 50 years. The largest earthquake within 30 miles of Gresham, OR was a 3.9 Magnitude in 1989.

Risk Level:
High
Total Number of Earthquakes in Gresham since 1931 within 30 miles
312
Probability of A 5.0 Earthquake within next 50 years
32.67%

Earthquake Probability for Gresham, OR

View the probability of a major earthquake within the next 50 years in Gresham, OR.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
32.67%
5.1
29.24%
5.2
29.24%
5.2
26.27%
5.3
23.69%
5.4
21.48%
5.5
19.60%
5.6
18.00%
5.7
16.64%
5.8
15.49%
5.9
14.48%
6.0
13.53%
6.1
12.48%
6.2
11.27%
6.3
8.69%
6.4
7.80%
6.5
7.14%
6.6
5.64%
6.7
4.33%
6.8
3.21%
6.9
2.23%
7.0
1.30%
7.1
0.62%
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%