Earthquake Information for Lewiston, Idaho

Lewiston, ID has a moderate earthquake risk, with a total of 6 earthquakes since 1931. The USGS database shows that there is a 7.85% chance of a major earthquake within 50km of Lewiston, ID within the next 50 years. The largest earthquake within 30 miles of Lewiston, ID was a 3.8 Magnitude in 1998.

Risk Level:
Moderate
Total Number of Earthquakes in Lewiston since 1931 within 30 miles
6
Probability of A 5.0 Earthquake within next 50 years
7.85%

Earthquake Probability for Lewiston, ID

View the probability of a major earthquake within the next 50 years in Lewiston, 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
7.85%
5.1
6.58%
5.2
6.58%
5.2
5.52%
5.3
4.62%
5.4
3.87%
5.5
3.25%
5.6
2.72%
5.7
2.28%
5.8
1.91%
5.9
1.61%
6.0
1.35%
6.1
1.11%
6.2
0.91%
6.3
0.73%
6.4
0.58%
6.5
0.45%
6.6
0.34%
6.7
0.24%
6.8
0.16%
6.9
0.08%
7.0
0.02%
7.1
0.02%
7.2
0.01%
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%