Earthquake Information for Black Rock, Arkansas

Black Rock, AR has a moderate earthquake risk, with a total of 66 earthquakes since 1931. The USGS database shows that there is a 5.14% chance of a major earthquake within 50km of Black Rock, AR within the next 50 years. The largest earthquake within 30 miles of Black Rock, AR was a 3.9 Magnitude in 2000.

Risk Level:
Moderate
Total Number of Earthquakes in Black Rock since 1931 within 30 miles
66
Probability of A 5.0 Earthquake within next 50 years
5.14%

Earthquake Probability for Black Rock, AR

View the probability of a major earthquake within the next 50 years in Black Rock, 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
5.14%
5.1
4.16%
5.2
4.16%
5.2
4.16%
5.3
3.36%
5.4
2.71%
5.5
2.19%
5.6
2.02%
5.7
1.63%
5.8
1.43%
5.9
1.15%
6.0
1.07%
6.1
0.84%
6.2
0.72%
6.3
0.55%
6.4
0.50%
6.5
0.36%
6.6
0.29%
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%