Nikkō Seamount

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Summit depth−392 m (−1,286 ft)[1]
Height~2,900 m (9,514 ft)
RangeIzu-Ogasawara Ridge
Coordinates23°04′40″N 142°19′33″E / 23.07778°N 142.32583°E / 23.07778; 142.32583[1]
Nikkō Seamount
Bathymetry map of Nikko
Summit depth−392 m (−1,286 ft)[1]
Height~2,900 m (9,514 ft)
Location
RangeIzu-Ogasawara Ridge
Coordinates23°04′40″N 142°19′33″E / 23.07778°N 142.32583°E / 23.07778; 142.32583[1]
CountryJapan
Geology
TypeCaldera
Last activity1979

Nikkō Seamount (Japanese: 日光海山) is a submarine volcano in the Volcano Islands region of Japan. It is the southernmost volcano of Japan.

Tonguefish samples from Nikkō Seamount

The Nikkō caldera is a volcanic complex consisting of a caldera and 2 other cones that are the active parts of the volcano which last had an activity in 1979.[2] It is 155 km (96 mi) south-southeast of Iwo Jima and 945 km (587 mi) north-northwest of Saipan.

Marine life

Smoke chimneys in the Nikkō Caldera floor

Nikkō is home to many underwater species, specifically 14 species which come from 12 families including the Symphurus thermophilus, which are species that live in hydrothermal vent environments, which Nikkō has hydrothermal vents considering it is an active volcano.[3] The seamount does also have endemic crustaceans, including the Paragiopagurus ventilatus.[4]

Activity

See also

References

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