Middlefield Earthquake Information

Middlefield Earthquake Risk Grade

The USGS database shows that there is a 2.854% chance of a major earthquake within 50 miles of Middlefield, Ohio within the next 50 years. The largest earthquake within 50 miles of Middlefield, Ohio was a 5 Magnitude in 1986.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
2.854%
5.1
2.292%
5.2
2.292%
5.3
1.838%
5.4
1.471%
5.5
1.176%
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5.6
1.083%
5.7
0.863%
5.8
0.747%
5.9
0.592%
6.0
0.544%
6.1
0.413%
6.2
0.343%
6.3
0.248%
6.4
0.218%
6.5
0.146%
6.6
0.106%
6.7
0.088%
6.8
0.042%
6.9
0.022%
7.0
0.012%
7.1
0.004%
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.