East Granby Earthquake Information

East Granby Earthquake Risk Grade

The USGS database shows that there is a 1.266% chance of a major earthquake within 50 miles of East Granby, Connecticut within the next 50 years. The largest earthquake within 50 miles of East Granby, Connecticut was a 3.7 Magnitude in 1994.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
1.266%
5.1
1.026%
5.2
1.026%
5.3
0.832%
5.4
0.676%
5.5
0.550%
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5.6
0.511%
5.7
0.417%
5.8
0.368%
5.9
0.303%
6.0
0.282%
6.1
0.226%
6.2
0.197%
6.3
0.157%
6.4
0.144%
6.5
0.112%
6.6
0.095%
6.7
0.086%
6.8
0.064%
6.9
0.051%
7.0
0.044%
7.1
0.028%
7.2
0.019%
7.3
0.015%
7.4
0.006%
7.5
0.001%
7.6
0.001%
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.