Earthquake Information for Ketchikan Gateway Borough, Alaska

Ketchikan Gateway Borough, AK has a moderate earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 8.77% chance of a major earthquake within 50km of Ketchikan Gateway Borough, AK within the next 50 years.

Risk Level:
Moderate
Total Number of Earthquakes in Ketchikan Gateway Borough since 1931
0
Probability of A 5.0 Earthquake within next 50 years
8.77%
  • There are no earthquakes reported in Ketchikan Gateway Borough, AK.
  • There are no earthquakes reported in Ketchikan Gateway Borough, AK.

Earthquake Probability for Ketchikan Gateway Borough, AK

View the probability of a major earthquake within the next 50 years in Ketchikan Gateway Borough, AK.

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
8.77%
5.1
7.38%
5.2
7.38%
5.2
6.20%
5.3
5.22%
5.4
4.40%
5.5
3.72%
5.6
3.14%
5.7
2.67%
5.8
2.27%
5.9
1.94%
6.0
1.67%
6.1
1.38%
6.2
1.13%
6.3
0.93%
6.4
0.76%
6.5
0.62%
6.6
0.50%
6.7
0.40%
6.8
0.30%
6.9
0.23%
7.0
0.16%
7.1
0.10%
7.2
0.05%
7.3
0.00%
7.4
0.00%
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%

Earthquake Count for Ketchikan Gateway Borough, AK

No Earthquakes reported

List of Earthquake Incidents for Ketchikan Gateway Borough, AK

There are no earthquakes reported within 30 miles of Ketchikan Gateway Borough, AK.

See Alaska Earthquake Report

Risk Of Natural Disasters In Ketchikan Gateway Borough, AK

Related Pages

Alaska Earthquakes by City

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