The new maps, produced by DNR's Washington Geological Survey, shows the times it would take to evacuate on foot from the tsunami zones caused by a Cascadia Subduction Zone earthquake.

Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying ...

Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying ...

This beautiful expansive park in Washington State is home to what once was a giant waterfall that measured four times the size of Niagara Falls!

When a grandfather and grandson took a day-trip to see evidence of the Ice Age floods, the two also found evidence of Someone ...

In a report accompanying the maps, the USGS points out that while all U.S. states have some potential for earthquakes, 42 of the 50 states "have a reasonable chance of experiencing damaging ground ...