I am now in rainy o'l Washington. I have visited here a couple years back, but it's always a good thing to visit a second time.
The Washington-Oregon coastline of the U.S, in North America, is what I have found here as an example of a convergent plate boundary. It is a oceanic and continental convergent subduction boundary. The Cascade Mountain Range is a line of volcanoes on the oceanic plate. The Juan de Fuca oceanic plate is subducting beneath the North American continental plate.
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Boundaries like these result in earthquake activity and a line of volcanic eruptions. Just yesterday, off the coast of Oregon there was a 4.3 earthquake. In Washington, earthquakes do not occur frequently and as strong as some in other places. One of the strongest earthquakes for the Puget Sound was on June 23, 1946 in the strait of Georgia was an earthquake with 7.3 magnitude, even causing the bottom of Deep Bay to sink between 2.7 and 25.6 meters. The total affected area in the U.S and Canada was about 260,000 square km.One interesting piece of earthquake history I found was that near the Oregon-California was that on May 26, 1968 through June 11, a series of earthquakes occurred.
BTYL!
-Tectonic Girl.96
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