Volcanic hazards in the Pacific Northwest
Geoscience Canada
By: C.D. Miller
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Abstract
The Cascade Range stretches from southwestern British Columbia to northern California; the Range consists of major composite volcanic centres, most of which have been active during late Pleistocene and Holocene time. In addition, thousands of smaller basaltic or basaltic-andesite volcanoes have been active during the past few million years. Flowage and tephra hazards associated with future eruptions of composite volcanoes in the Range will endanger communities located within about 50 km of erupting volcanoes. Significant effects will extend to still greater distances downwind from the volcanoes and along stream valleys that head at the volcanoes. Volcanic-hazard assessments and hazard-zonation maps developed for volcanoes in the Range can be used by authorities for long-range land-use planning and provide information to help mitigate the effects of future eruptions. -Author
Suggested Citation
Miller, C., 1990, Volcanic hazards in the Pacific Northwest: Geoscience Canada, v. 17, no. 3, p. 183-187.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Volcanic hazards in the Pacific Northwest |
| Series title | Geoscience Canada |
| Volume | 17 |
| Issue | 3 |
| Year Published | 1990 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geoscience Canada |
| First page | 183 |
| Last page | 187 |