One of the most terrifying discoveries for the US population in general has just been made off the north coast of California.
SAN FRANCISCO ‒ A magnitude 7.0 earthquake struck near the town of Petrolia on Thursday at 10:44 a.m. local time, generating a now discontinued tsunami warning that stretched from southern Oregon to ...
Making and shaping the Columbia Basin. Columbia River basalt lava flows ; Inside a basalt flow ; Pillow lavas ; What good is Columbia River basalt? ; Lewis and Clark meet Columbia River basalt ; ...
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