Defiance Earthquake Information

Defiance Earthquake Risk Grade

The USGS database shows that there is a 5.224% chance of a major earthquake within 50 miles of Defiance, Ohio within the next 50 years. The largest earthquake within 50 miles of Defiance, Ohio was a 3.2 Magnitude in 1977.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
5.224%
5.1
4.208%
5.2
4.208%
5.3
3.384%
5.4
2.717%
5.5
2.178%
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5.6
2.007%
5.7
1.604%
5.8
1.391%
5.9
1.107%
6.0
1.018%
6.1
0.774%
6.2
0.645%
6.3
0.472%
6.4
0.417%
6.5
0.285%
6.6
0.211%
6.7
0.175%
6.8
0.083%
6.9
0.044%
7.0
0.023%
7.1
0.008%
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.