Vent Fields

Welcome to the InterRidge Global Database of Active Submarine Hydrothermal Vent Fields (the “InterRidge Vents Database”).
To sort the list of Vent Fields, click on a column header.
To view details for a specific Vent Field, click on the Name ID.
To view the subset of Vent Fields that contain a specific category, click on the category (for example, "active, confirmed" in the "Activity" column).

Vent Field Name ID	Activity	Tectonic Setting	Region	Latitude	Longitude	Maximum or Single Reported Depth	Year and How Discovered
Omuro Hole	active, confirmed	arc volcano	Izu-Bonin Arc	34.5467	139.4417	200	2012 ROV Hyper-Dolphin
Kurose Hole	inactive	arc volcano	Izu-Bonin Arc	33.4000	139.6800	760	1989 inactive; 2009 inactive
Bayonnaise Knoll caldera	active, inferred	back-arc spreading center	Izu-Bonin back-arc	31.9667	139.7333	900	2003 temperature anomalies, but camera survey observed inactive vent deposits
Myojin Knoll	active, confirmed	arc volcano	Izu-Bonin Arc	32.1033	139.8683	1360	1996 submersible Shinkai 2000
Sumisu Rift	active, inferred	back-arc spreading center	Izu-Bonin back-arc	31.1000	139.8917	1600	1987 submersible Alvin inactive chimneys only
Myojinsho Caldera	active, inferred	arc volcano	Izu-Bonin Arc	31.8833	139.9500	1110	1988 deposits only; 2005 plume only
Sumisu Caldera	active, confirmed	arc volcano	Izu-Bonin Arc	31.4667	140.0667	690	1998 submersible Shinkai 2000
Shinkurose Bank	inactive	arc volcano	Izu-Bonin Arc	33.5667	140.1667	200	1992 or earlier submersible Shinkai 2000
Mokuyo Seamount	active, confirmed	arc volcano	Izu-Bonin Arc	28.3200	140.5800	1200	1990 submersible Shinkai 2000
Suiyo Seamount	active, confirmed	arc volcano	Izu-Bonin Arc	28.5750	140.6417	1380	1991 submersible Shinkai 2000
Doyo Seamount	active, confirmed	arc volcano	Izu-Bonin Arc	27.6833	140.8167	520	1990 submersible Shinkai 2000
Nishinoshima Island	active, inferred	arc volcano	Izu-Bonin Arc	27.2367	140.8783	5	1975 SCUBA
Kaikata Seamount	active, confirmed	arc volcano	Izu-Bonin Arc	26.7000	141.0833	930	1988 submersible Shinkai 2000; 1985 dredge only
Minami-Hiyoshi submarine volcano	active, confirmed	arc volcano	Mariana Arc	23.4970	141.9400	80	2005 ROV HyperDolphin
Nikko volcano	active, confirmed	arc volcano	Mariana Arc	23.0833	142.3333	600	1992 submersible Shinkai 6500; 1979 first observed discolored water above the seamount
W Syoyo	active, inferred	arc volcano	Mariana Arc	22.5080	142.5330	2150	2003 plume only
SW Syoyo	active, inferred	arc volcano	Mariana Arc	22.3870	142.7620	1750	2003 plume only
Fukujin volcano	active, inferred	arc volcano	Mariana Arc	21.9300	143.4700	1100	1987 deposits only
Mariana Trough, plume 2	active, inferred	back-arc spreading center	Mariana Trough	12.7610	143.4730	2950	2003 plume only
TOTO Caldera	active, confirmed	arc volcano	Mariana Arc	12.7167	143.5333	2960	2000 deep-tow camera (later, same year - ROV Kaiko); 1998 or earlier hydrothermal deposits dredged; 1998 plume only
Kasuga 3 Seamount	active, confirmed	arc volcano	Mariana Arc	21.3833	143.6000	1140	1987 submersible Alvin
Kasuga 2 Seamount	active, confirmed	arc volcano	Mariana Arc	21.6000	143.6167	500	1987 submersible Alvin
Snail	active, confirmed	back-arc spreading center	Mariana Trough	12.9533	143.6200	2880	2003 ROV Jason II; 2003 plume only
Pika	active, confirmed	back-arc spreading center	Mariana Trough	12.9183	143.6483	2990	2003 submersible Shinkai 6500; 2003 plume only
13 N Ridge Site	active, confirmed	back-arc spreading center	Mariana Trough	13.0987	143.6886	3036	2000 deep-tow camera (later, same year - ROV Kaiko)
Kasuga 1 Seamount	inactive	arc volcano	Mariana Arc	21.7650	143.7100	600	2003 no plume detected
Forecast	active, confirmed	arc volcano	Mariana Arc	13.4000	143.9166	1470	1992 submersible Shinkai 6500
Seamount X	active, confirmed	arc volcano	Mariana Arc	13.2500	144.0200	1450	1994 or earlier submersible Shinkai 6500
Northwest Eifuku	active, confirmed	arc volcano	Mariana Arc	21.4850	144.0430	1604	2004 ROV ROPOS; 2003 plume only
Mariana Trough, 14.5 N	active, inferred	back-arc spreading center	Mariana Trough	14.4870	144.0940	4120	2015 plume only

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