Earthquake Information for Boise County, Idaho

Boise County, ID has a high earthquake risk, with a total of 40 earthquakes since 1931. The USGS database shows that there is a 52.56% chance of a major earthquake within 50km of Boise County, ID within the next 50 years. The largest earthquake within 30 miles of Boise County, ID was a 4.1 Magnitude in 1978.

Risk Level:
High
Total Number of Earthquakes in Boise County since 1931
40
Probability of A 5.0 Earthquake within next 50 years
52.56%

Earthquake Probability for Boise County, ID

View the probability of a major earthquake within the next 50 years in Boise County, ID.

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
52.56%
5.1
46.35%
5.2
46.35%
5.2
40.56%
5.3
35.28%
5.4
30.53%
5.5
26.31%
5.6
22.61%
5.7
19.39%
5.8
16.61%
5.9
14.22%
6.0
12.18%
6.1
10.19%
6.2
8.51%
6.3
7.02%
6.4
5.76%
6.5
4.68%
6.6
3.60%
6.7
2.60%
6.8
1.69%
6.9
0.86%
7.0
0.16%
7.1
0.08%
7.2
0.03%
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%