Daikoku

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Daikoku volcano

submarine volcano -323 m / -1,060 ft
Volcano Islands, Japan, 21.32°N / 144.19°E
Current status: dormant (1 out of 5)

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Typical eruption style: unknown
Daikoku volcano eruptions: unknown
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

Daikoku is a sumbarine volcano with a conical summit in the Japanese Volcano Islands chain. It sits on an elongated E-W-trending ridge SE of Eifuku submarine volcano and rises to within 323 m of the sea surface. It has a crater with a black pool of liquid sulfur discovered in 2006.
Daikoku submarine volcano is one of about a dozen submarine volcanoes displaying hydrothermal activity in the southern part of the Izu-Marianas chain.

Background:

A steep-walled, 50-m-wide cylindrical crater on the north flank, about 75 m below the summit, is at least 135 m deep and was observed to emit cloudy hydrothermal fluid. During a NOAA expedition in 2006, scientists observed a convecting, black pool of liquid sulfur with a partly solidified, undulating sulfur crust at a depth of 420 m below the summit of Daikoku. Gases, particulate with the appearance of smoke, and liquid sulfur were bubbling up from the back edge of the sulfur pool.
(Smithsonian / GVP volcano information)

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