Earthquake Information for Graham County, North Carolina

Graham County, NC has a moderate earthquake risk, with a total of 2 earthquakes since 1931. The USGS database shows that there is a 5.47% chance of a major earthquake within 50km of Graham County, NC within the next 50 years. The largest earthquake within 30 miles of Graham County, NC was a 4.3 Magnitude in 1987.

Risk Level:
Moderate
Total Number of Earthquakes in Graham County since 1931
2
Probability of A 5.0 Earthquake within next 50 years
5.47%

Earthquake Probability for Graham County, NC

View the probability of a major earthquake within the next 50 years in Graham County, NC.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
5.47%
5.1
4.47%
5.2
4.47%
5.2
4.47%
5.3
3.65%
5.4
2.99%
5.5
2.45%
5.6
2.28%
5.7
1.88%
5.8
1.67%
5.9
1.39%
6.0
1.30%
6.1
1.04%
6.2
0.91%
6.3
0.72%
6.4
0.66%
6.5
0.52%
6.6
0.44%
6.7
0.40%
6.8
0.30%
6.9
0.24%
7.0
0.21%
7.1
0.13%
7.2
0.09%
7.3
0.07%
7.4
0.03%
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%