A M4.2 earthquake occurred last night near Joseph, Oregon. Although uncommon, earthquakes like this are a normal part of seismicity in eastern Oregon. This figure shows the seismograms at 4 local seismic stations. pnsn.org/event/714136981
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Pacific Northwest Seismic Network (PNSN), monitoring earthquakes & volcanoes in WA and OR. Contact us: pnsn.org/contact-us.
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Earthquake in eastern Oregon! Magnitude updated to M4.3 after review by PNSN's duty seismologist. If you're in the area, contribute to citizen science by completing the Did You Feel It? survey here: zpr.io/Pdtzccsrr42y
PRELIM Earthquake: Magnitude 4.6, 83.2 km NE from Baker, OR at 2026/11/09 23:42 PST
Learn more: pnsn.org/event/714136981
Did You Feel It? Submit a report: zpr.io/Pdtzccsrr42yView quoted post on X
PRELIM Earthquake: Magnitude 4.6, 83.2 km NE from Baker, OR at 2026/11/09 23:42 PST
Learn more: pnsn.org/event/714136981
Did You Feel It? Submit a report: zpr.io/Pdtzccsrr42y
Learn more: pnsn.org/event/714136981
Did You Feel It? Submit a report: zpr.io/Pdtzccsrr42y
Happy #FieldworkFriday! LEBA underwent a full rebuild recently. This WA station, ~25 miles from the coast near Willapa Bay, plays an important role in coastal monitoring and contributing to @USGS_ShakeAlert earthquake early warning in the event of a Cascadia Subduction Zone EQ.
PNSN detected 292 earthquakes in Washington and Oregon last month! The largest was a M3.1 near Forks, WA on October 16. This is a normal level of seismic activity. View the full Monthly Seismicity Report for October 2026 here: pnsn.org/events/summary…
