Skip to main content
U.S. flag

An official website of the United States government


Geologic Maps

Moore, R. B. & Trusdell, F. A. (1993). Geologic map of Alamagan Volcano, northern Mariana Islands. U.S. Geological Survey Numbered Series , 2408


Response and Coordination Plans

Interagency Operating Plan for Volcanic-Ash Hazards to Aviation in the Pacific Region of the Northern Mariana Islands. Federal Committee for Meteorological Services and Supporting Research (2009). National Oceanic and Atmospheric Administration.


USGS General Publication

Sako, M. K., Trusdell, F. A., Koyanagi, R. Y., Kojima, G. & Moore, R. B. (1995). Volcanic investigations in the Commonwealth of the Northern Mariana Islands, April to May 1994. U.S. Geological Survey Open-File Report , 94-705