- Geologic Resources Division
Monitoring Seismic Activity
- Offices: Geologic Resources Division
The release of elastic energy associated with earthquakes generates seismic waves that propagate through the Earth and along the Earth’s surface across large distances. Most earthquakes are the result of plate tectonic processes. The geologic monitoring manual provides guidance for determining status and trends of geologic resources within the National Park System, and to further the understanding of how geologic processes impact dynamic ecosystem.
- Geologic Resources Division
Monitoring Volcanoes
- Offices: Geologic Resources Division
Volcanoes, by virtue of their geology and typography, display evocative landscapes and are home to diverse ecosystems, many of which are delicate and unique. Volcanic eruptions can obliterate landscapes and threaten lives, ecosystems and property. The geologic monitoring manual provides guidance for determining status and trends of geologic resources within the National Park System, and to further the understanding of how geologic processes impact dynamic ecosystem.
- Geologic Resources Division
Monitoring Slope Movements
- Offices: Geologic Resources Division
Different types of slope movement, such as fall, topple, slide, spread, and flow, can occur in a variety of materials and degrees of slopes. The geologic monitoring manual provides guidance for resource managers seeking to establish the status and trends of geologic resources within the National Park System, and to further the understanding of how geologic processes impact dynamic ecosystems.
Related Links
Site Index & Credits
Plate Tectonics and Our National Parks
- Plate Tectonics—The Unifying Theory of Geology
- Inner Earth Model
- Evidence of Plate Motions
- Types of Plate Boundaries
- Tectonic Settings of NPS Sites—Master List
Teaching Resources—Plate Tectonics
Photos and Multimedia—Plate Tectonics
Geological Monitoring—Plate Tectonics
Plate Tectonics and Our National Parks (2020)
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Text and Illustrations by Robert J. Lillie, Emeritus Professor of Geosciences, Oregon State University [E-mail]
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Produced under a Cooperative Agreement for earth science education between the National Park Service's Geologic Resources Division and the American Geosciences Institute.
Last updated: February 11, 2020