Earthquake Information for Arnold, Missouri

Arnold, MO has a very low earthquake risk, with a total of 33 earthquakes since 1931. The USGS database shows that there is a 3.56% chance of a major earthquake within 50km of Arnold, MO within the next 50 years. The largest earthquake within 30 miles of Arnold, MO was a 5.6 Magnitude in 1974.

Risk Level:
Very Low
Total Number of Earthquakes in Arnold since 1931 within 50 miles
33
Probability of A 5.0 Earthquake within next 50 years
3.56%

Earthquake Probability for Arnold, MO

View the probability of a major earthquake within the next 50 years in Arnold, MO.

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
3.56%
5.1
2.86%
5.2
2.86%
5.2
2.86%
5.3
2.30%
5.4
1.84%
5.5
1.48%
5.6
1.36%
5.7
1.09%
5.8
0.94%
5.9
0.75%
6.0
0.69%
6.1
0.52%
6.2
0.44%
6.3
0.32%
6.4
0.28%
6.5
0.19%
6.6
0.14%
6.7
0.11%
6.8
0.06%
6.9
0.03%
7.0
0.02%
7.1
0.01%
7.2
0.00%
7.3
0.00%
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%