Earthquake Information for Box Elder County, Utah

Box Elder County, UT has a high earthquake risk, with a total of 138 earthquakes since 1931. The USGS database shows that there is a 42.77% chance of a major earthquake within 50km of Box Elder County, UT within the next 50 years. The largest earthquake within 30 miles of Box Elder County, UT was a 4.7 Magnitude in 1987.

Risk Level:
High
Total Number of Earthquakes in Box Elder County since 1931
138
Probability of A 5.0 Earthquake within next 50 years
42.77%

Earthquake Probability for Box Elder County, UT

View the probability of a major earthquake within the next 50 years in Box Elder County, UT.

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
42.77%
5.1
37.87%
5.2
37.87%
5.2
33.49%
5.3
29.60%
5.4
26.20%
5.5
23.25%
5.6
20.70%
5.7
18.51%
5.8
16.65%
5.9
15.07%
6.0
13.73%
6.1
12.42%
6.2
11.31%
6.3
10.31%
6.4
9.38%
6.5
8.45%
6.6
6.42%
6.7
4.75%
6.8
3.50%
6.9
2.34%
7.0
1.26%
7.1
0.58%
7.2
0.26%
7.3
0.09%
7.4
0.02%
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%