Earthquake Information for Forest Grove, Oregon

Forest Grove, OR has a moderate earthquake risk, with a total of 155 earthquakes since 1931. The USGS database shows that there is a 28.20% chance of a major earthquake within 50km of Forest Grove, OR within the next 50 years. The largest earthquake within 30 miles of Forest Grove, OR was a 3.9 Magnitude in 2003.

Risk Level:
Moderate
Total Number of Earthquakes in Forest Grove since 1931 within 30 miles
155
Probability of A 5.0 Earthquake within next 50 years
28.20%

Earthquake Probability for Forest Grove, OR

View the probability of a major earthquake within the next 50 years in Forest Grove, 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
28.20%
5.1
25.39%
5.2
25.39%
5.2
22.97%
5.3
20.89%
5.4
19.13%
5.5
17.63%
5.6
16.36%
5.7
15.29%
5.8
14.39%
5.9
13.63%
6.0
12.99%
6.1
12.39%
6.2
11.73%
6.3
9.76%
6.4
9.35%
6.5
9.00%
6.6
7.37%
6.7
5.80%
6.8
4.40%
6.9
3.12%
7.0
1.92%
7.1
0.95%
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%