NW Eifuku

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NW Eifuku volcano

submarine volcano -1535 m / -5,036 ft
Volcano Islands, Japan, 21.49°N / 144.04°E
Current status: dormant (1 out of 5)

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Typical eruption style: unknown
NW Eifuku volcano eruptions: unknown

White smokers in the submarine Champagne hydrothermal field (image courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program)

Last earthquakes nearby:

Time	Mag. / Depth	Distance	Location
Sun, 7 Apr
Sun, 7 Apr 17:43 UTC	M 4.7 / 92.8 km	22 km	122km NW of Farallon de Pajaros, Northern Mariana Islands
Wed, 3 Apr
Wed, 3 Apr 02:22 UTC	M 4.6 / 108.2 km	13 km	112km NW of Farallon de Pajaros, Northern Mariana Islands

NW Eifuku is a small submarine volcano in Japan's Volcano Island chain. It has vigorous thermal activity and white smokers at ca. 1500 m depth which were photographed during a NOOA expedition.

Background:

The submarine voldano is basaltic-to-andesitic in composition and lies at the NW end of a chain of submarine volcanoes that includes Eifuku and Daikoko at the SE end. The "white smokers" of NW Eifuku emit hydrothermal fluids including liquid carbon dioxide bubbles. It is one of only 2 places where this has been observed. The hydrothermal field was discovered during a 2003 NOAA expedition and named "Champagne". It is located in the steep headwall of a slope-failure scarp that cuts the summit and SW side of the volcano.
(Smithsonian / GVP volcano information)

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