Earthquake Information for Grand Ronde, Oregon

Grand Ronde, OR has a moderate earthquake risk, with a total of 49 earthquakes since 1931. The USGS database shows that there is a 23.22% chance of a major earthquake within 50km of Grand Ronde, OR within the next 50 years. The largest earthquake within 30 miles of Grand Ronde, OR was a 3.7 Magnitude in 2019.

Risk Level:
Moderate
Total Number of Earthquakes in Grand Ronde since 1931 within 30 miles
49
Probability of A 5.0 Earthquake within next 50 years
23.22%

Earthquake Probability for Grand Ronde, OR

View the probability of a major earthquake within the next 50 years in Grand Ronde, 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
23.22%
5.1
21.60%
5.2
21.60%
5.2
20.23%
5.3
19.07%
5.4
18.10%
5.5
17.28%
5.6
16.59%
5.7
16.01%
5.8
15.53%
5.9
15.12%
6.0
14.78%
6.1
14.46%
6.2
14.18%
6.3
13.93%
6.4
13.70%
6.5
13.50%
6.6
12.62%
6.7
11.82%
6.8
11.03%
6.9
10.31%
7.0
9.63%
7.1
9.06%
7.2
8.49%
7.3
8.49%
7.4
8.49%
7.5
8.49%
7.6
8.49%
7.7
8.49%
7.8
8.49%
7.9
8.49%
8.0
8.49%
8.1
8.20%
8.2
7.92%
8.3
7.64%
8.4
7.07%
8.5
6.49%
8.6
5.86%
8.7
5.18%
8.8
4.51%
8.9
3.62%
9.0
3.62%
9.1
0.92%
9.2
0.92%