Earthquake Information for Alsea, Oregon

Alsea, OR has a moderate earthquake risk, with a total of 60 earthquakes since 1931. The USGS database shows that there is a 20.33% chance of a major earthquake within 50km of Alsea, OR within the next 50 years. The largest earthquake within 30 miles of Alsea, OR was a 3.2 Magnitude in 2006.

Risk Level:
Moderate
Total Number of Earthquakes in Alsea since 1931 within 30 miles
60
Probability of A 5.0 Earthquake within next 50 years
20.33%

Earthquake Probability for Alsea, OR

View the probability of a major earthquake within the next 50 years in Alsea, OR.

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
20.33%
5.1
19.42%
5.2
19.42%
5.2
18.66%
5.3
18.02%
5.4
17.48%
5.5
17.03%
5.6
16.65%
5.7
16.34%
5.8
16.07%
5.9
15.86%
6.0
15.67%
6.1
15.44%
6.2
11.68%
6.3
11.35%
6.4
11.00%
6.5
10.67%
6.6
9.80%
6.7
9.04%
6.8
8.35%
6.9
7.72%
7.0
7.13%
7.1
6.63%
7.2
6.14%
7.3
6.14%
7.4
6.14%
7.5
6.14%
7.6
6.14%
7.7
6.14%
7.8
6.14%
7.9
6.14%
8.0
6.14%
8.1
5.92%
8.2
5.71%
8.3
5.49%
8.4
5.06%
8.5
4.63%
8.6
4.16%
8.7
3.71%
8.8
3.27%
8.9
2.63%
9.0
2.63%
9.1
0.66%
9.2
0.66%