5.4 Magnitude Earthquake Strikes Off Oregon Coast

A shallow M5.4 earthquake hit off Oregon coast on July 17, 2019 at a depth of 10 km (6.2 miles), …

Anomalies In Earth’s Mantle At Both Ends Of Cascadia Subduction Zone Suggest Molten Rock From Interior Of Earth Making Mantle Bouyant

  New seismic data provide structural basis for strong earthquakes that strike at both ends of the Pacific Northwest fault …