5.5. magnitude earthquake shakes off Oregon Coast, no tsunami expected
Five people reported feeling the quake, and the National Weather Service said no tsunami was expected.
- A 5.5 magnitude earthquake struck off the Oregon coast early Monday, June 29, 2026, according to the United States Geological Survey, centered approximately 135.5 miles west of Bandon.
- The seismic event originated along the Blanco Fracture Zone, an active fault system where tectonic plates slide past one another. Chief Meteorologist Brian MacMillan noted this is distinct from the Cascadia Subduction Zone.
- Officials confirmed no tsunami threat existed following the 4:35 a.m. tremor, and the earthquake caused no reported damage or injuries. Seven residents reported feeling the shaking to the USGS.
- The USGS encourages anyone who felt the earthquake to contribute to citizen science by reporting their experience on its website to help seismologists gather regional seismic data.
- According to the USGS Aftershock Forecast, there is a 59% chance of at least one aftershock of magnitude 3.0 or greater in the next week, with an 18% probability for magnitude 4.0 or greater.
25 Articles
25 Articles
5.5. magnitude earthquake shakes off Oregon Coast, no tsunami expected
The earthquake comes days after heightened seismic activity across the world.
No tsunami expected after 5.5 magnitude quake hits off coast of southern Oregon
A 5.5 magnitude earthquake hit off the southern Oregon coast early Monday morning — but residents of the area shouldn’t expect a tsunami. That’s according to the U.S. Tsunami Service, which declared that there was no reason to fear the earthquake that hit a remote patch of sea floor around 4:30 a.m.
5.5 magnitude earthquake strikes off Oregon coast
A 5.5 magnitude earthquake shook the region off the Oregon coast early Monday morning, sending minor tremors that were felt by a small number of residents. The U.S. Geological Survey confirmed the quake struck at approximately 4:35 a.m. PDT on June 29, centered about 135.7 miles (218.8 kilometers) west of Bandon, Oregon. While the event […]

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