PNSN | Pacific Northwest Seismic Network

Recent Earthquakes

Earthquakes Near Volcanoes

Volcano	Earthquakes
Rainier
St. Helens
Hood
Newberry
	30 Days Ago Now

Volcanoes without recent seismicity

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

Most Recent Earthquakes

Mag	Location	Age
2.3	19 km WNW of Petrolia, CA	16 m
0.4	0.8 km from Mt Rainier, WA	18 m
0.4	0.9 km from Mt Rainier, WA	31 m
0.8	0.3 km from Mt Rainier, WA	1 h
0.8	4.4 km from Mt Rainier, WA	1 h
1.1	0.5 km from Mt Rainier, WA	1 h
0.1	0.9 km from Mt Rainier, WA	1 h
0.4	0.1 km from Mt Rainier, WA	1 h
2.6	80 km WNW of Petrolia, CA	2 h
1.3	0.7 km from Mt Rainier, WA	2 h
0.6	1.0 km from Mt Rainier, WA	2 h
0.2	0.6 km from Mt Rainier, WA	2 h
0.2	1.0 km from Mt Rainier, WA	2 h
0.4	0.6 km from Mt Rainier, WA	2 h
0.4	1.0 km from Mt Rainier, WA	3 h
0.2	0.2 km from Mt Rainier, WA	3 h
0.8	0.9 km from Mt Rainier, WA	3 h
0.1	0.8 km from Mt Rainier, WA	4 h
0.8	0.5 km from Mt Rainier, WA	4 h
0.4	0.5 km from Mt Rainier, WA	4 h
0.4	0.5 km from Mt Rainier, WA	5 h
0.4	0.5 km from Mt Rainier, WA	5 h
0.6	0.9 km from Mt Rainier, WA	6 h
0.9	0.1 km from Mt Rainier, WA	6 h
0.6	0.5 km from Mt Rainier, WA	6 h
0.3	0.9 km from Mt Rainier, WA	6 h
0.8	0.6 km from Mt Rainier, WA	6 h
0.4	0.6 km from Mt Rainier, WA	6 h
0.5	0.4 km from Mt Rainier, WA	7 h

Seismo Blog

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...

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