Earthquake Information for South Twigg Township, Illinois

South Twigg Township, IL has a moderate earthquake risk, with a total of 17 earthquakes since 1931. The USGS database shows that there is a 9.80% chance of a major earthquake within 50km of South Twigg Township, IL within the next 50 years. The largest earthquake within 30 miles of South Twigg Township, IL was a 4.1 Magnitude in 1984.

Risk Level:
Moderate
Total Number of Earthquakes in South Twigg Township since 1931 within 30 miles
17
Probability of A 5.0 Earthquake within next 50 years
9.80%

Earthquake Probability for South Twigg Township, IL

View the probability of a major earthquake within the next 50 years in South Twigg Township, 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
9.80%
5.1
7.98%
5.2
7.98%
5.2
7.98%
5.3
6.49%
5.4
5.28%
5.5
4.29%
5.6
3.98%
5.7
3.24%
5.8
2.84%
5.9
2.32%
6.0
2.16%
6.1
1.70%
6.2
1.46%
6.3
1.14%
6.4
1.04%
6.5
0.79%
6.6
0.66%
6.7
0.59%
6.8
0.41%
6.9
0.32%
7.0
0.27%
7.1
0.16%
7.2
0.11%
7.3
0.08%
7.4
0.04%
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%