Mag Location Age

2.9

37 km W of Petrolia, CA
3 h

2.0

16.8 km from Aberdeen, WA
9 h

0.0

4.1 km from Mt St Helens, WA
13 h

1.8

100.4 km from Spokane, WA
13 h

0.5

17.3 km from Mt Rainier, WA
14 h

2.6

62 km WNW of Petrolia, CA
15 h

0.7

12.3 km from Bremerton, WA
20 h

2.7

66 km WNW of Petrolia, CA
21 h

0.1

0.4 km from Mt St Helens, WA
23 h

-0.2

0.3 km from Mt St Helens, WA
1 d

-0.1

3.8 km from Mt Hood, OR
1 d

0.2

4.4 km from Mt Hood, OR
1 d

2.9

73 km WNW of Petrolia, CA
1 d

0.1

4.7 km from Mt Hood, OR
1 d

2.4

6 km W of Wadsworth, NV
1 d

0.9

19.0 km from Diablo, WA
1 d

1.0

28.9 km from Adel, OR
1 d

2.4

34 km WNW of Petrolia, CA
1 d

1.1

32.6 km from Goat Rocks, WA
1 d

1.1

23.7 km from Monroe, WA
1 d

1.8

65.9 km from Penticton, BC
1 d

1.4

39.0 km from Roseburg, OR
1 d

1.1

29.3 km from Aberdeen, WA
1 d

1.2

32.2 km from Longview, WA
1 d

1.3

18.4 km from Mt Baker, WA
1 d

0.1

1.1 km from Mt St Helens, WA
2 d

1.0

12.0 km from Tacoma, WA
2 d

0.1

0.1 km from Mt St Helens, WA
2 d

-0.1

0.2 km from Mt St Helens, WA
2 d
Bob Crosson has passed away
The founder of the PNSN, Professor Emeritus Robert (Bob) Crosson died on April 29 at age 86.
Tonasket Earthquake Swarm or Aftershock Sequence?
At 6:47pm PDT, on April 12, 2025 a magnitude 3.1 earthquake located about 6 km (4 miles) northeas...
M4.5 Earthquake at Orcas Island, Washington, March 3rd, 2025
Deep dive on the M4.5 Monday, March 3rd, 2025 on Orcas Island, WA. ShakeAlert, USGS Did You Fe...