earthquakes

NEW! Visualizing PNW Landforms Using Overlays for Google Earth®

Google Earth® is an amazing tool that has revolutionized how we are able to view the Earth through satellite imagery. Now it can be even better: we've turned it into a powerful tool for viewing bare naked landforms by stripping the "noise" of vegetation and the patchwork nature of the imagery.

Explore the big picture of physiographic provinces, or get down to the nitty gritty of volcanic debris, scoria cones and volcanic plugs. Compare the different types of volcanoes in one frame and see explore connections among them. View the entire drainage systems of Mts. Rainier, St. Helens, Hood, and others to predict where lahars will flow and who is at risk. The possibilities are endless.

Cascadia Subduction Zone Earthquakes

Deep Quakes in Cascadia (University of Washington)

Map Source: University of Washington

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The Nisqually Earthquake, February 28, 2001

The location of this earthquake is very near the location of the 1949 magnitude 7.1 earthquake. The February 28, 2001 event occurred on a normal fault within the down-going Juan de Fuca plate. The earthquake name "Nisqually" is derived from a prominent delta in South Puget Sound. The area northeast of the delta (along Puget Sound) is known as Nisqually Landing. The delta is protected as part of the Nisqually National Wildlife Refuge. (Text by USGS)

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