Earthquake Information for Troy, Illinois

Troy, IL has a low earthquake risk, with a total of 10 earthquakes since 1931. The USGS database shows that there is a 3.81% chance of a major earthquake within 50km of Troy, IL within the next 50 years. The largest earthquake within 30 miles of Troy, IL was a 5.6 Magnitude in 1974.

Risk Level:
Low
Total Number of Earthquakes in Troy since 1931 within 30 miles
10
Probability of A 5.0 Earthquake within next 50 years
3.81%

Earthquake Probability for Troy, IL

View the probability of a major earthquake within the next 50 years in Troy, IL.

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
3.81%
5.1
3.06%
5.2
3.06%
5.2
3.06%
5.3
2.46%
5.4
1.98%
5.5
1.59%
5.6
1.46%
5.7
1.17%
5.8
1.01%
5.9
0.81%
6.0
0.74%
6.1
0.57%
6.2
0.47%
6.3
0.34%
6.4
0.30%
6.5
0.20%
6.6
0.15%
6.7
0.12%
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%