Earthquake Information for Annex, Oregon

Annex, OR has a moderate earthquake risk, with a total of 3 earthquakes since 1931. The USGS database shows that there is a 19.54% chance of a major earthquake within 50km of Annex, OR within the next 50 years. The largest earthquake within 30 miles of Annex, OR was a 3.7 Magnitude in 1989.

Risk Level:
Moderate
Total Number of Earthquakes in Annex since 1931 within 30 miles
3
Probability of A 5.0 Earthquake within next 50 years
19.54%

Earthquake Probability for Annex, OR

View the probability of a major earthquake within the next 50 years in Annex, 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
19.54%
5.1
16.76%
5.2
16.76%
5.2
14.36%
5.3
12.32%
5.4
10.58%
5.5
9.11%
5.6
7.87%
5.7
6.82%
5.8
5.95%
5.9
5.21%
6.0
4.59%
6.1
3.99%
6.2
3.50%
6.3
3.07%
6.4
2.70%
6.5
2.36%
6.6
1.76%
6.7
1.24%
6.8
0.74%
6.9
0.43%
7.0
0.13%
7.1
0.05%
7.2
0.02%
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%