Earthquake Information for Welches, Oregon

Welches, OR has a moderate earthquake risk, with a total of 399 earthquakes since 1931. The USGS database shows that there is a 24.14% chance of a major earthquake within 50km of Welches, OR within the next 50 years. The largest earthquake within 30 miles of Welches, OR was a 4.1 Magnitude in 1974.

Risk Level:
Moderate
Total Number of Earthquakes in Welches since 1931 within 30 miles
399
Probability of A 5.0 Earthquake within next 50 years
24.14%

Earthquake Probability for Welches, OR

View the probability of a major earthquake within the next 50 years in Welches, 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
24.14%
5.1
21.42%
5.2
21.42%
5.2
19.08%
5.3
17.09%
5.4
15.39%
5.5
13.95%
5.6
12.74%
5.7
11.72%
5.8
10.86%
5.9
10.09%
6.0
9.34%
6.1
8.38%
6.2
7.40%
6.3
4.84%
6.4
4.04%
6.5
3.48%
6.6
2.77%
6.7
2.16%
6.8
1.62%
6.9
1.12%
7.0
0.63%
7.1
0.32%
7.2
0.02%
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%