Earthquake Information for Chattanooga, Tennessee

Chattanooga, TN has a moderate earthquake risk, with a total of 50 earthquakes since 1931. The USGS database shows that there is a 5.32% chance of a major earthquake within 50km of Chattanooga, TN within the next 50 years. The largest earthquake within 30 miles of Chattanooga, TN was a 4.2 Magnitude in 1984.

Risk Level:
Moderate
Total Number of Earthquakes in Chattanooga since 1931 within 30 miles
50
Probability of A 5.0 Earthquake within next 50 years
5.32%

Earthquake Probability for Chattanooga, TN

View the probability of a major earthquake within the next 50 years in Chattanooga, 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
5.32%
5.1
4.33%
5.2
4.33%
5.2
4.33%
5.3
3.52%
5.4
2.86%
5.5
2.34%
5.6
2.17%
5.7
1.77%
5.8
1.57%
5.9
1.29%
6.0
1.20%
6.1
0.95%
6.2
0.82%
6.3
0.64%
6.4
0.58%
6.5
0.45%
6.6
0.38%
6.7
0.34%
6.8
0.24%
6.9
0.19%
7.0
0.16%
7.1
0.10%
7.2
0.07%
7.3
0.05%
7.4
0.02%
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%
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