Earthquake Information for Mississippi County, Arkansas

Mississippi County, AR has a moderate earthquake risk, with a total of 38 earthquakes since 1931. The USGS database shows that there is a 18.64% chance of a major earthquake within 50km of Mississippi County, AR within the next 50 years. The largest earthquake within 30 miles of Mississippi County, AR was a 4.9 Magnitude in 1976.

Risk Level:
Moderate
Total Number of Earthquakes in Mississippi County since 1931
38
Probability of A 5.0 Earthquake within next 50 years
18.64%

Earthquake Probability for Mississippi County, AR

View the probability of a major earthquake within the next 50 years in Mississippi County, 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
18.64%
5.1
16.89%
5.2
16.89%
5.2
16.89%
5.3
15.46%
5.4
14.29%
5.5
13.34%
5.6
13.04%
5.7
12.33%
5.8
11.95%
5.9
11.44%
6.0
11.28%
6.1
10.84%
6.2
10.60%
6.3
10.28%
6.4
10.18%
6.5
9.94%
6.6
9.81%
6.7
9.74%
6.8
9.56%
6.9
9.46%
7.0
9.41%
7.1
9.28%
7.2
9.21%
7.3
9.18%
7.4
7.80%
7.5
6.00%
7.6
5.99%
7.7
1.41%
7.8
1.41%
7.9
1.41%
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%