Tsunamis If the earthquake occurs in the ocean, it can push up powerful waves, known as tsunamis. The sudden upward or downward movement of the seafloor during an earthquake creates large tsunami waves, similar to a child splashing in the bathtub.
Free printable topographic map of Agate Beach in Coos County, OR including photos, elevation & GPS coordinates. Search Search Near Coos County, OR: Trails National and State Parks City Parks Lakes Lookouts Marinas Historical Sites
Gallery: Lake Superior Agate. Also known as Lakers this agate is found mostly in Minnesota and Wisconsin near and along the shores of Lake Superior. Formed from lava eruptions in Minnesota nearly a billion years ago. Large nodules of this agate are rare. It is the state rock of Minnesota.