Casa Grande Earthquake Information

Casa Grande Earthquake Risk Grade

The USGS database shows that there is a 7.967% chance of a major earthquake within 50 miles of Casa Grande, Arizona within the next 50 years. The largest earthquake within 50 miles of Casa Grande, Arizona was a 0 Magnitude in .

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
7.967%
5.1
6.698%
5.2
5.629%
5.3
4.732%
5.4
3.978%
5.5
3.347%
5.6
2.819%
5.7
2.377%
5.8
2.008%
5.9
1.701%
6.0
1.444%
6.1
1.183%
6.2
0.966%
6.3
0.776%
6.4
0.618%
6.5
0.481%
6.6
0.357%
6.7
0.252%
6.8
0.158%
6.9
0.078%
7.0
0.000%
7.1
0.000%
7.2
0.000%
7.3
0.000%
7.4
0.000%
7.5
0.000%
7.6
0.000%
7.7
0.000%
7.8
0.000%
7.9
0.000%
8.0
0.000%
8.1
0.000%
8.2
0.000%
8.3
0.000%
8.4
0.000%
8.5
0.000%
8.6
0.000%
8.7
0.000%
8.8
0.000%
8.9
0.000%
9.0
0.000%
9.1
0.000%
9.2
0.000%

Historical Earthquake Data (Within 50 Miles)

All distances and depths in the table below are measured in miles.