Earthquake Information for Challis, Idaho

Challis, ID has a very high earthquake risk, with a total of 753 earthquakes since 1931. The USGS database shows that there is a 84.94% chance of a major earthquake within 50km of Challis, ID within the next 50 years. The largest earthquake within 30 miles of Challis, ID was a 5.6 Magnitude in 1984.

Risk Level:
Very High
Total Number of Earthquakes in Challis since 1931 within 30 miles
753
Probability of A 5.0 Earthquake within next 50 years
84.94%

Earthquake Probability for Challis, ID

View the probability of a major earthquake within the next 50 years in Challis, 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
84.94%
5.1
79.43%
5.2
79.43%
5.2
73.34%
5.3
66.93%
5.4
60.43%
5.5
54.07%
5.6
48.00%
5.7
42.34%
5.8
37.17%
5.9
32.52%
6.0
28.39%
6.1
24.42%
6.2
20.95%
6.3
17.77%
6.4
15.03%
6.5
12.61%
6.6
9.89%
6.7
7.42%
6.8
5.57%
6.9
3.25%
7.0
0.76%
7.1
0.34%
7.2
0.12%
7.3
0.03%
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%