Earthquake Information for Jefferson County, Oregon

Jefferson County, OR has a moderate earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 10.12% chance of a major earthquake within 50km of Jefferson County, OR within the next 50 years. The largest earthquake within 30 miles of Jefferson County, OR was a 2.9 Magnitude in 1998.

Risk Level:
Moderate
Total Number of Earthquakes in Jefferson County since 1931
1
Probability of A 5.0 Earthquake within next 50 years
10.12%

Earthquake Probability for Jefferson County, OR

View the probability of a major earthquake within the next 50 years in Jefferson County, 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
10.12%
5.1
8.54%
5.2
8.54%
5.2
7.21%
5.3
6.08%
5.4
5.14%
5.5
4.34%
5.6
3.68%
5.7
3.12%
5.8
2.65%
5.9
2.27%
6.0
1.94%
6.1
1.62%
6.2
1.35%
6.3
1.11%
6.4
0.91%
6.5
0.74%
6.6
0.58%
6.7
0.44%
6.8
0.31%
6.9
0.20%
7.0
0.10%
7.1
0.09%
7.2
0.07%
7.3
0.05%
7.4
0.02%
7.5
0.01%
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%