Earthquake Information for St. Louis, Missouri

St. Louis, MO has a very low earthquake risk, with a total of 23 earthquakes since 1931. The USGS database shows that there is a 3.43% chance of a major earthquake within 50km of St. Louis, MO within the next 50 years. The largest earthquake within 30 miles of St. Louis, MO was a 5.6 Magnitude in 1974.

Risk Level:
Very Low
Total Number of Earthquakes in St. Louis since 1931 within 50 miles
23
Probability of A 5.0 Earthquake within next 50 years
3.43%

Earthquake Probability for St. Louis, MO

View the probability of a major earthquake within the next 50 years in St. Louis, MO.

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
3.43%
5.1
2.75%
5.2
2.75%
5.2
2.75%
5.3
2.21%
5.4
1.77%
5.5
1.41%
5.6
1.30%
5.7
1.03%
5.8
0.89%
5.9
0.71%
6.0
0.65%
6.1
0.49%
6.2
0.41%
6.3
0.30%
6.4
0.27%
6.5
0.18%
6.6
0.13%
6.7
0.11%
6.8
0.05%
6.9
0.03%
7.0
0.01%
7.1
0.01%
7.2
0.00%
7.3
0.00%
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%