Earthquake Information for Jefferson County, Tennessee

Jefferson County, TN has a moderate earthquake risk, with a total of 2 earthquakes since 1931. The USGS database shows that there is a 5.92% chance of a major earthquake within 50km of Jefferson County, TN within the next 50 years. The largest earthquake within 30 miles of Jefferson County, TN was a 3.8 Magnitude in 1997.

Risk Level:
Moderate
Total Number of Earthquakes in Jefferson County since 1931
2
Probability of A 5.0 Earthquake within next 50 years
5.92%

Earthquake Probability for Jefferson County, TN

View the probability of a major earthquake within the next 50 years in Jefferson County, TN.

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
5.92%
5.1
4.82%
5.2
4.82%
5.2
4.82%
5.3
3.93%
5.4
3.21%
5.5
2.63%
5.6
2.44%
5.7
2.01%
5.8
1.78%
5.9
1.47%
6.0
1.37%
6.1
1.10%
6.2
0.95%
6.3
0.76%
6.4
0.70%
6.5
0.55%
6.6
0.46%
6.7
0.42%
6.8
0.31%
6.9
0.25%
7.0
0.22%
7.1
0.13%
7.2
0.09%
7.3
0.07%
7.4
0.03%
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%