Earthquake Information for Washington County, Maine

Washington County, ME has a low earthquake risk, with a total of 23 earthquakes since 1931. The USGS database shows that there is a 3.14% chance of a major earthquake within 50km of Washington County, ME within the next 50 years. The largest earthquake within 30 miles of Washington County, ME was a 3.8 Magnitude in 1984.

Risk Level:
Low
Total Number of Earthquakes in Washington County since 1931
23
Probability of A 5.0 Earthquake within next 50 years
3.14%

Earthquake Probability for Washington County, ME

View the probability of a major earthquake within the next 50 years in Washington County, ME.

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
3.14%
5.1
2.55%
5.2
2.55%
5.2
2.55%
5.3
2.07%
5.4
1.68%
5.5
1.36%
5.6
1.27%
5.7
1.03%
5.8
0.91%
5.9
0.75%
6.0
0.69%
6.1
0.56%
6.2
0.48%
6.3
0.38%
6.4
0.35%
6.5
0.27%
6.6
0.23%
6.7
0.21%
6.8
0.15%
6.9
0.12%
7.0
0.11%
7.1
0.07%
7.2
0.05%
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%