Philadelphia Earthquake Information

Philadelphia Earthquake Risk Grade

The USGS database shows that there is a 0.708% chance of a major earthquake within 50 miles of Philadelphia, Mississippi within the next 50 years. The largest earthquake within 50 miles of Philadelphia, Mississippi was a 3 Magnitude in 1976.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
0.708%
5.1
0.572%
5.2
0.572%
5.3
0.463%
5.4
0.375%
5.5
0.305%
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5.6
0.283%
5.7
0.230%
5.8
0.202%
5.9
0.166%
6.0
0.154%
6.1
0.120%
6.2
0.102%
6.3
0.077%
6.4
0.069%
6.5
0.050%
6.6
0.040%
6.7
0.035%
6.8
0.023%
6.9
0.017%
7.0
0.013%
7.1
0.008%
7.2
0.005%
7.3
0.004%
7.4
0.002%
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.