PNSN | Pacific Northwest Seismic Network

Recent Earthquakes

Earthquakes Near Volcanoes

Volcano	Earthquakes
St. Helens
Rainier
Hood
	30 Days Ago Now

Volcanoes without recent seismicity

Adams, Baker, Crater Lake, Glacier Peak, Jefferson, Newberry, Three Sisters

Most Recent Earthquakes

Mag	Location	Age
1.9	12.8 km from Morton, WA	3 h
2.1	25 km NNW of Hayfork, CA	3 h
0.8	34.6 km from Yreka, CA	4 h
1.2	33.6 km from Deming, WA	7 h
2.1	86.9 km from Diablo, WA	7 h
0.8	31.0 km from Port Angeles, WA	7 h
2.2	21 km SSE of Burney, CA	13 h
2.2	105.1 km from Coos Bay, OR	16 h
1.4	0.4 km from Mt St Helens, WA	17 h
0.5	1.1 km from Mt Rainier, WA	17 h
1.2	13.7 km from Kirkland, WA	17 h
-0.2	0.5 km from Mt St Helens, WA	18 h
-0.2	1.1 km from Mt St Helens, WA	18 h
0.6	6.3 km from Yakima, WA	18 h
-0.2	1.7 km from Mt St Helens, WA	19 h
1.4	7.0 km from Yakima, WA	21 h
0.3	3.5 km from Mt St Helens, WA	21 h
2.8	173 km W of Port Orford, OR	22 h
1.5	52.6 km from Forks, WA	22 h
0.7	6.0 km from Yakima, WA	23 h
1.4	6.0 km from Yakima, WA	23 h
0.4	6.3 km from Yakima, WA	24 h
0.2	15.1 km from Mt Rainier, WA	24 h
1.9	5.8 km from Yakima, WA	1 d
0.4	6.2 km from Yakima, WA	1 d
3.2	71 km WNW of Petrolia, CA	1 d
1.0	0.3 km from Mt Rainier, WA	1 d
0.0	2.6 km from Mt St Helens, WA	1 d
0.3	15.0 km from Victoria, BC	1 d

Seismo Blog

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

Bob Crosson has passed away: The founder of the PNSN, Professor Emeritus Robert (Bob) Crosson died on April 29 at age 86.

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