ثوران بركاني

Eruption of St. Helens

7 ديسمبر 1989 – 6 يناير 1990 · 46.20° N, 122.18° W

Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It lies 52 miles (83 km) northeast of Portland, Oregon, and 98 miles (158 km) south of Seattle.

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شاهد 1989 على الخريطة