Logo link to homepage

Report on Fukujin (United States) — October 1981


Scientific Event Alert Network Bulletin, vol. 6, no. 10 (October 1981)
Managing Editor: Lindsay McClelland.

Fukujin (United States) Water discoloration seen in January 1981, but then none through October

Please cite this report as:

Global Volcanism Program, 1981. Report on Fukujin (United States) (McClelland, L., ed.). Scientific Event Alert Network Bulletin, 6:10. Smithsonian Institution. https://doi.org/10.5479/si.GVP.SEAN198110-284133


United States

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

All times are local (unless otherwise noted)

The Japan Maritime Safety Agency (JMSA) continues frequent monitoring flights over several known submarine volcanoes. [Discolored water was specifically noted, in an included table of observations, on 7 and 8 January, but not again through October 1981 (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.