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Fukujin Seamount

Find U.S. Volcano

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.

Facts Block

Location: Commonwealth of the Northern Mariana Islands

Latitude: 21.93° N

Longitude: 143.47° E​​​​​​​

Elevation: -217 (m) -712 (f)​​​​​​​

Volcano type: Submarine​​​​​​​

Composition: Andesite / Basaltic Andesite

Most recent eruption: 1974 CE

Threat Potential: Very low*

*based on the National Volcano Early Warning System