Earthquake Information for Astoria, Oregon

Astoria, OR has a moderate earthquake risk, with a total of 42 earthquakes since 1931. The USGS database shows that there is a 19.57% chance of a major earthquake within 50km of Astoria, OR within the next 50 years. The largest earthquake within 30 miles of Astoria, OR was a 3.5 Magnitude in 2016.

Risk Level:
Moderate
Total Number of Earthquakes in Astoria since 1931 within 30 miles
42
Probability of A 5.0 Earthquake within next 50 years
19.57%

Earthquake Probability for Astoria, OR

View the probability of a major earthquake within the next 50 years in Astoria, 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
19.57%
5.1
18.74%
5.2
18.74%
5.2
18.02%
5.3
17.41%
5.4
16.88%
5.5
16.42%
5.6
16.03%
5.7
15.69%
5.8
15.40%
5.9
15.15%
6.0
14.93%
6.1
14.70%
6.2
14.49%
6.3
14.30%
6.4
14.14%
6.5
13.99%
6.6
13.46%
6.7
12.96%
6.8
12.46%
6.9
11.99%
7.0
11.56%
7.1
11.16%
7.2
10.77%
7.3
10.76%
7.4
10.76%
7.5
10.76%
7.6
10.76%
7.7
10.76%
7.8
10.76%
7.9
10.76%
8.0
10.76%
8.1
10.38%
8.2
10.01%
8.3
9.64%
8.4
8.90%
8.5
8.14%
8.6
7.33%
8.7
6.52%
8.8
5.72%
8.9
4.60%
9.0
4.60%
9.1
1.17%
9.2
1.17%