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Outdoors in the Pacific Northwest
Volcanic Hazards

This chart lists the volcanoes in the Pacific Northwest by name and location along with the most recent eruption and whether or not the volcano may erupt again.

Volcano	Most recent eruption	Will it erupt again?
Belknap, OR Shield volcano	1,500 years ago	extinct
Broken Top, OR Stratovolcano	-	-
Crater Lake, OR Caldera	6,600 - 7,000 years ago	probably extinct
Diamond Peak, OR Shield volcano	100,000 years ago	extinct
Glacier Peak, WA Stratovolcano	200 - 300 years ago	yes
Indian Heaven, WA Volcanic field	8,300 years ago	-
Meagre Mountain, BC Stratovolcano	-	-
Mount Adams, WA Compound stratovolcano	1,000 - 3,500 years ago	yes
Mount Bailey, OR Shield volcano	100,000 years ago	extinct
Mount Baker, WA Stratovolcano	late 1700s - early 1800s	yes
Mount Bachelor, OR Strato volcano on shield volcano	11,000 - 15,000 years ago	probably extinct
Mount Garibaldi, BC Stratovolcano	10,000 years ago	probably extinct
Mount Hood, OR Stratovolcano	about 1800-1805	yes
Mount Jefferson, OR Stratovolcano	50,000 years ago	extinct
Mount McLoughlin, OR Shield volcano	700,000 years ago	extinct
Mount Rainier, WA Stratovolcano	1882	yes a "decade volcano"
Mount St. Helens, WA Stratovolcano	May 18, 1980 57 persons dead	yes
Mount Thielsen, OR Shield volcano	290,000 years ago	extinct
Mount Washington, OR Shield volcano	1,330 years ago	extinct
Newberry Caldera, OR Shield volcano	600 years ago	yes
Three Fingered Jack, OR Shield volcano	250,000 - 500,000 years ago	extinct
Three Sisters, OR Stratovolcano cluster	2,000 - 100,000 years ago	probably extinct

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DK Eyewitness Travel Guide: Pacific Northwest by Stephen Brewer and Constance Brissenden. This guide book contains in depth coverage of the best recreation, lodging, attractions and food in major cities in Oregon, Washington and BC. Photographs, illustrations and custom maps are also included. Order now...

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American Museum of Natural History Birds American Museum of Natural History Birds of North America Western Region by DK Publishing. This guide is ideal for every age of bird lovers and features information on behavior, nesting and habitat for the wide range of birds commonly seen west across the Great Plains and West Coast. Order now...

Wildlife of the Pacific Northwest: Tracking and Identifying Mammals, Birds, Reptiles, Amphibians, and Invertebrates Wildlife of the Pacific Northwest: Tracking and Identifying Mammals, Birds, Reptiles, Amphibians, and Invertebrates by David Moskowitz. This book includes illustrated descriptions for more than 180 mammals, birds, reptiles, amphibians, and invertebrates in Washington, Oregon, British Columbia, northern California, Idaho, and western Montana plus maps. Order now...

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Outdoors in the Pacific Northwest Volcanic Hazards

Outdoors in the Pacific Northwest
Volcanic Hazards