Earthquake Information for Greenwood Township, Arkansas

Greenwood Township, AR has a moderate earthquake risk, with a total of 91 earthquakes since 1931. The USGS database shows that there is a 17.68% chance of a major earthquake within 50km of Greenwood Township, AR within the next 50 years. The largest earthquake within 30 miles of Greenwood Township, AR was a 4.9 Magnitude in 1976.

Risk Level:
Moderate
Total Number of Earthquakes in Greenwood Township since 1931 within 30 miles
91
Probability of A 5.0 Earthquake within next 50 years
17.68%

Earthquake Probability for Greenwood Township, AR

View the probability of a major earthquake within the next 50 years in Greenwood 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
17.68%
5.1
16.09%
5.2
16.09%
5.2
16.09%
5.3
14.80%
5.4
13.74%
5.5
12.88%
5.6
12.60%
5.7
11.96%
5.8
11.62%
5.9
11.16%
6.0
11.02%
6.1
10.62%
6.2
10.42%
6.3
10.14%
6.4
10.05%
6.5
9.83%
6.6
9.72%
6.7
9.65%
6.8
9.50%
6.9
9.41%
7.0
9.36%
7.1
9.25%
7.2
9.19%
7.3
9.16%
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%