PNSN.org Update

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Recent Earthquakes
Volcano Earthquakes
St. Helens
Rainier
Hood
Adams
30 Days Ago Now

Most Recent Earthquakes
Mag Location Age

2.2

 24 km W of Petrolia, CA
1 h

3.2

 4 km NNE of Blue Lake, CA
6 h

3.6

 51 km W of Petrolia, CA
19 h

1.4

 12.3 km from Eatonville, WA
24 h

1.4

 18.2 km from Skykomish, WA
1 d

0.7

 26.3 km from Yakima, WA
1 d

2.3

 10 km NNE of Brooktrails, CA
1 d

0.6

 17.8 km from Hanford-200W, WA
1 d

1.5

 18.5 km from Spokane, WA
2 d

1.2

 48.6 km from Colville, WA
2 d

2.0

 3 km SE of Floriston, CA
2 d

2.2

 40.5 km from Pullman, WA
2 d

1.5

 28.6 km from Grants Pass, OR
2 d

4.1

 off the coast of OR
2 d

1.5

 28.4 km from Aberdeen, WA
2 d

0.4

 1.1 km from Mt St Helens, WA
2 d

2.2

 73 km W of Petrolia, CA
3 d

1.2

 27.0 km from Colville, WA
3 d

1.8

 23.3 km from Canby, OR
3 d

2.3

 27 km W of Hayfork, CA
3 d

0.6

 12.6 km from Morton, WA
3 d

3.0

 73 km W of Petrolia, CA
3 d

1.0

 30.3 km from Poulsbo, WA
3 d

1.6

 12.7 km from Tacoma, WA
3 d

2.1

 67.6 km from Penticton, BC
4 d

0.8

 8.4 km from Poulsbo, WA
4 d

-0.2

 14.3 km from Mt Rainier, WA
4 d

1.3

 24.5 km from Monroe, WA
5 d

1.9

 7.5 km from Maple Valley, WA
5 d

Seismo Blog
Mount Rainier seismicity is normal
Recent reports of tremor at Rainier are clearly due to technical problem.
Understanding Earthquake Numbers
Our studies of Mount Rainier earthquakes
Mount Rainier earthquake swarm of July, 2025
Update as of July 31. Summary information for this swarm

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