Earthquake Information for Brookland, Arkansas

Brookland, AR has a moderate earthquake risk, with a total of 67 earthquakes since 1931. The USGS database shows that there is a 15.95% chance of a major earthquake within 50km of Brookland, AR within the next 50 years. The largest earthquake within 30 miles of Brookland, AR was a 4.9 Magnitude in 1976.

Risk Level:
Moderate
Total Number of Earthquakes in Brookland since 1931 within 30 miles
67
Probability of A 5.0 Earthquake within next 50 years
15.95%

Earthquake Probability for Brookland, AR

View the probability of a major earthquake within the next 50 years in Brookland, 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
15.95%
5.1
14.42%
5.2
14.42%
5.2
14.42%
5.3
13.18%
5.4
12.17%
5.5
11.34%
5.6
11.08%
5.7
10.46%
5.8
10.13%
5.9
9.70%
6.0
9.56%
6.1
9.19%
6.2
9.00%
6.3
8.73%
6.4
8.65%
6.5
8.44%
6.6
8.33%
6.7
8.27%
6.8
8.12%
6.9
8.05%
7.0
8.00%
7.1
7.91%
7.2
7.86%
7.3
7.84%
7.4
6.67%
7.5
5.12%
7.6
5.12%
7.7
1.20%
7.8
1.20%
7.9
1.20%
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%