How Would a Volcanic Eruption Affect Your Tribe?

General Information Product 209
Prepared in collaboration with the U.S. Geological Survey Office of Tribal Relations
By:  and 



Volcanic eruptions are rare, but when they occur, they can profoundly affect nearby communities. In order to determine which communities are at risk, and in order for those communities to mitigate their risk, communities need to know whether they are in or near volcano hazard zones and have basic information about the hazards within those zones. In addition, individuals need to know whether they live in, work or go to school in, or cross volcano hazard zones as part of their routine so they can plan for what to do in the event of an eruption.

The purpose of this product is to serve as a starting point for dialogue with Indian Tribes of the Pacific Northwest who may be at risk from future volcanic eruptions. The map shows Tribal land boundaries and land-based volcano hazard zones, allowing Tribes to determine quickly if they are at risk from these hazards. A rose diagram in the map explanation shows typical Pacific Northwest wind directions and, hence, the most likely directions airborne material (tephra) from explosive eruptions will travel (primarily to the northeast, east, and southeast). We also provide basic information about the hazards and simple protective actions to take during unrest and eruptions, guidance for finding information about current volcanic activity and preparedness, and additional resources.

Suggested Citation

Gardner, C.A., and Bard, J.A., 2021, How would a volcanic eruption affect your Tribe?: U.S. Geological Survey General Information Product 209,

ISSN: 2332-354X (online)

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title How would a volcanic eruption affect your Tribe?
Series title General Information Product
Series number 209
DOI 10.3133/gip209
Year Published 2021
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Volcano Hazards Program, Volcano Science Center
Description 1 Sheet: 66.00 x 36.00 inches
Country United States
State Oregon, Washington
Google Analytic Metrics Metrics page
Additional publication details