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Report on Fukujin (United States) — April 1980


Scientific Event Alert Network Bulletin, vol. 5, no. 4 (April 1980)
Managing Editor: David Squires.

Fukujin (United States) Water discoloration in late 1979 and early 1980

Please cite this report as:

Global Volcanism Program, 1980. Report on Fukujin (United States) (Squires, D., ed.). Scientific Event Alert Network Bulletin, 5:4. Smithsonian Institution. https://doi.org/10.5479/si.GVP.SEAN198004-284133


United States

21.93°N, 143.47°E; summit elev. -217 m

All times are local (unless otherwise noted)

The Japan Maritime Safety Agency continues frequent monitoring flights over three known submarine volcanoes. [Discolored water at Fukujin was seen during October 1979-March 1980 (see table 1 below).]

Geological Summary. Fukujin seamount in the Mariana Volcanic Arc has risen on occasion to just beneath the ocean surface. Intermittent periods of water discoloration have been observed since the mid-20th century, and eruptions producing floating pumice were noted on several occasions.

Information Contacts: JMSA, Tokyo; JMA, Tokyo.