Philadelphia, PA Earthquake Report

Maps of Earthquakes in Philadelphia, PA

Earthquake List

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Philadelphia, PA Earthquake Probability

Very Low Risk Area

The USGS database shows that there is a 2.24% chance of a major earthquake within 50km of Philadelphia, PA within the next 50 years. The largest earthquake within 30 miles of Philadelphia, PA was a 3.8 Magnitude in 1973.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
2.24%
5.1
1.81%
5.2
1.81%
5.3
1.47%
5.4
1.20%
5.5
0.97%
5.6
0.90%
5.7
0.74%
5.8
0.65%
5.9
0.53%
6.0
0.50%
6.1
0.40%
6.2
0.35%
6.3
0.28%
6.4
0.26 %
6.5
0.20%
6.6
0.17%
6.7
0.16%
6.8
0.11%
6.9
0.09%
7.0
0.08%
7.1
0.05%
7.2
0.04%
7.3
0.03%
7.4
0.01%
7.5
0.00%
7.6
0.00%
7.7
0.00%
7.8
0.00%
7.9
0.00%
8.0
0.00%
8.1
0.00%
8.2
0.00%
8.3
0.00%
8.4
0.00%
8.5
0.00%
8.6
0.00%
8.7
0.00%
8.8
0.00%
8.9
0.00%
9.0
0.00%
9.1
0.00%
9.2
0.00%

Philadelphia, PA Historical Earthquakes (within 30 miles)

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

Area Earthquakes By Year (>2.5 Mag)

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Environment Report Summary

Very Low Risk
Moderate Risk Area
Low Potential Risk