Earthquake Information for Black River Township, Arkansas

Black River Township, AR has a low earthquake risk, with a total of 61 earthquakes since 1931. The USGS database shows that there is a 4.87% chance of a major earthquake within 50km of Black River Township, AR within the next 50 years. The largest earthquake within 30 miles of Black River Township, AR was a 3.5 Magnitude in 1994.

Risk Level:
Low
Total Number of Earthquakes in Black River Township since 1931 within 30 miles
61
Probability of A 5.0 Earthquake within next 50 years
4.87%

Earthquake Probability for Black River Township, AR

View the probability of a major earthquake within the next 50 years in Black River Township, AR.

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
4.87%
5.1
3.95%
5.2
3.95%
5.2
3.95%
5.3
3.20%
5.4
2.59%
5.5
2.10%
5.6
1.95%
5.7
1.58%
5.8
1.39%
5.9
1.13%
6.0
1.05%
6.1
0.82%
6.2
0.70%
6.3
0.53%
6.4
0.48%
6.5
0.36%
6.6
0.28%
6.7
0.25%
6.8
0.16%
6.9
0.12%
7.0
0.09%
7.1
0.06%
7.2
0.04%
7.3
0.03%
7.4
0.01%
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%