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Mount Rainier earthquake swarm of July, 2025

Mount Rainier earthquake swarm of July, 2025

The Pacific Northwest Seismic Network (PNSN) analysts have been busy analyzing the swarm of earthquakes taking place at Mount Rainier since July 8. He...
by Steve Malone

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Bob Crosson has passed away

Bob Crosson has passed away

The founder of the PNSN, Professor Emeritus Robert (Bob) Crosson died on April 29 at age 86.
by Steve Malone
Tonasket Earthquake Swarm or Aftershock Sequence?

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) northeast of Tonasket, WA at a depth of ~14 km (8 mile) was r...
by Steve Malone
M4.5 Earthquake at Orcas Island, Washington, March 3rd, 2025

M4.5 Earthquake at Orcas Island, Washington, March 3rd, 2025

Deep dive on the M4.5 Monday, March 3rd, 2025 on Orcas Island, WA.
by Nate Stevens

Blog Archive

Author
2025-07-19Mount Rainier earthquake swarm of July, 2025Steve Malone
2025-05-09Bob Crosson has passed awaySteve Malone
2025-04-23Tonasket Earthquake Swarm or Aftershock Sequence?Steve Malone
2025-03-05M4.5 Earthquake at Orcas Island, Washington, March 3rd, 2025Nate Stevens
2025-01-30​​2024 PNSN Earthquake CatalogDoug Gibbons
2025-01-07Rumblings: Preparing for Cascadia - Documentary Screening and DiscussionKelly Missett
2023-04-19Pythia's OasisMcKenzie Carlson
2021-09-20Washington’s Unsafe SchoolsJim Buck
2020-01-27Getting ready for the next Great Cascadia Subduction Zone EarthquakeBill Steele
2019-11-08SoundersFC Soccer Shake ExperimentSteve Malone