Earthquake Information for Williamson, Arizona

Williamson, AZ has a moderate earthquake risk, with a total of 16 earthquakes since 1931. The USGS database shows that there is a 21.39% chance of a major earthquake within 50km of Williamson, AZ within the next 50 years. The largest earthquake within 30 miles of Williamson, AZ was a 4.9 Magnitude in 1976.

Risk Level:
Moderate
Total Number of Earthquakes in Williamson since 1931 within 30 miles
16
Probability of A 5.0 Earthquake within next 50 years
21.39%

Earthquake Probability for Williamson, AZ

View the probability of a major earthquake within the next 50 years in Williamson, AZ.

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
21.39%
5.1
18.23%
5.2
18.23%
5.2
15.50%
5.3
13.17%
5.4
11.18%
5.5
9.49%
5.6
8.06%
5.7
6.85%
5.8
5.83%
5.9
4.98%
6.0
4.26%
6.1
3.59%
6.2
3.02%
6.3
2.53%
6.4
2.11%
6.5
1.76%
6.6
1.38%
6.7
1.05%
6.8
0.73%
6.9
0.43%
7.0
0.12%
7.1
0.06%
7.2
0.02%
7.3
0.01%
7.4
0.00%
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%