Earthquake Information for St. Francois County, Missouri

St. Francois County, MO has a very low earthquake risk, with a total of 36 earthquakes since 1931. The USGS database shows that there is a 3.93% chance of a major earthquake within 50km of St. Francois County, MO within the next 50 years. The largest earthquake within 30 miles of St. Francois County, MO was a 3.9 Magnitude in 2015.

Risk Level:
Very Low
Total Number of Earthquakes in St. Francois County since 1931 within 50 miles
36
Probability of A 5.0 Earthquake within next 50 years
3.93%

Earthquake Probability for St. Francois County, MO

View the probability of a major earthquake within the next 50 years in St. Francois County, 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
3.93%
5.1
3.16%
5.2
3.16%
5.2
3.16%
5.3
2.54%
5.4
2.04%
5.5
1.63%
5.6
1.51%
5.7
1.20%
5.8
1.04%
5.9
0.83%
6.0
0.76%
6.1
0.58%
6.2
0.49%
6.3
0.36%
6.4
0.32%
6.5
0.22%
6.6
0.16%
6.7
0.13%
6.8
0.06%
6.9
0.03%
7.0
0.02%
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%