You are here

Home

Japan

Below is the subset of Vent Fields that contain the taxonomy term (Activity, Tectonic Setting, Region, Ocean, National Jurisdiction, Temperature Category, or MGDS Feature ID) listed above.
You can sort the list below by clicking on a column header.

Vent Field Name ID Activity Tectonic Setting Region Latitudesort descending Longitude Maximum or Single Reported Depth Year and How Discovered
SW Syoyo active, inferred arc volcano Mariana Arc 22.3870 142.7620 1750 2003 plume only
W Syoyo active, inferred arc volcano Mariana Arc 22.5080 142.5330 2150 2003 plume only
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
Minami-Hiyoshi submarine volcano active, confirmed arc volcano Mariana Arc 23.4970 141.9400 80 2005 ROV HyperDolphin
Taketomi Thermal Area active, confirmed arc volcano Ryukyu Arc 24.3483 124.1017 23 1987 or earlier, likely by SCUBA
SPOT, Yonaguni Knoll IV active, confirmed back-arc spreading center Okinawa Trough 24.8490 122.7000 1385 2000 submersibles Shinkai 2000 and Shinkai 6500
SPOT, Hatoma Knoll active, confirmed back-arc spreading center Okinawa Trough 24.8550 123.8410 1520 1999 submersible Shinkai 2000
Futagoyama active, confirmed back-arc spreading center Okinawa Trough 24.8674 123.3081 1270 2016 ROV Kaiko dive 717
Tarama Knoll active, confirmed back-arc spreading center Okinawa Trough 25.0916 124.5416 1990 2009 ROV HyperDolphin
Irabu Knoll active, confirmed back-arc spreading center Okinawa Trough 25.2300 124.8800 1850 2000 submersible Shinkai 6500; 1986 seafloor photos did not confirm activity
Yokosuka active, confirmed back-arc spreading center Okinawa Trough 25.2638 124.3733 2190 2016 ROV Kaiko; 2014 plume only
Daisan-Kume Knoll active, confirmed arc volcano Ryukyu Arc 26.3020 126.4125 1370 2015 ROV Kaiko; 2014 ROV Hyper Dolphin 3000 Dive 1761 may have confirmed; 2014 AUV temperature anomaly
Higa active, confirmed back-arc spreading center Okinawa Trough 26.5550 126.2233 1485 2015 ROV Kaiko
Kaikata Seamount active, confirmed arc volcano Izu-Bonin Arc 26.7000 141.0833 930 1988 submersible Shinkai 2000; 1985 dredge only
Nishinoshima Island active, inferred arc volcano Izu-Bonin Arc 27.2367 140.8783 5 1975 SCUBA
Izena Cauldron active, confirmed back-arc spreading center Okinawa Trough 27.2667 127.0833 1610 1988 submersible Shinkai 2000
Yoron Hole active, confirmed back-arc spreading center Okinawa Trough 27.4916 127.5333 590 2010 ROV Hyperdolphin
Sakai active, confirmed back-arc spreading center Okinawa Trough 27.5481 126.9895 1600 1988 submersible Shinkai 2000; 1987 plume only
Natsushima 84-1 Knoll active, confirmed back-arc spreading center Okinawa Trough 27.5750 127.1417 1600 1986 submersible Shinkai 2000
Doyo Seamount active, confirmed arc volcano Izu-Bonin Arc 27.6833 140.8167 520 1990 submersible Shinkai 2000
North Knoll, Iheya Ridge active, confirmed back-arc spreading center Okinawa Trough 27.7908 126.8966 1100 1995 deep tow survey
Mokuyo Seamount active, confirmed arc volcano Izu-Bonin Arc 28.3200 140.5800 1200 1990 submersible Shinkai 2000
Minami-Ensei Knoll active, confirmed back-arc spreading center Okinawa Trough 28.3917 127.6417 740 1988 deep tow TV surveys followed by submersible Shinkai 2000; 1986 dredged Calyptogena shells
Higashi-Ensei active, confirmed back-arc spreading center Okinawa Trough 28.4393 128.1724 1220 2016 ROV Kaiko dives 723 and 724
Daiichi-Amami knoll active, inferred arc volcano Ryukyu Arc 28.4500 128.7500 350 2013 multibeam echo sounder on S/V Takuyo and AUV Gondo
Suiyo Seamount active, confirmed arc volcano Izu-Bonin Arc 28.5750 140.6417 1380 1991 submersible Shinkai 2000
Okinawa Trough, Site ES2 active, inferred back-arc spreading center Okinawa Trough 28.8137 128.1028 779 1992 dredge only
Kodakara-jima active, confirmed arc volcano Ryukyu Arc 29.2166 129.3333 10 1993 or earlier, likely by SCUBA
Akuseki-jima active, confirmed arc volcano Ryukyu Arc 29.4610 129.5970 5 1993 or earlier, likely by SCUBA
Nagahama Bay, Iwo-dake Volcano active, confirmed arc volcano Ryukyu Arc 30.7500 130.3330 26 1994 or earlier intertidal; 2008 or earlier SCUBA subtidal
Sumisu Rift active, inferred back-arc spreading center Izu-Bonin back-arc 31.1000 139.8917 1600 1987 submersible Alvin inactive chimneys only
Nishi-Shichito Ridge inactive arc volcano Izu-Bonin Arc 31.3667 138.7500 1600 NotProvided
Sumisu Caldera active, confirmed arc volcano Izu-Bonin Arc 31.4667 140.0667 690 1998 submersible Shinkai 2000
Kagoshima Bay active, confirmed arc volcano Ryukyu Arc 31.6583 130.8000 200 1993 towed TV system (Haorimushi site); 2007 ROV Hyper-dolphin (Tagiri site)
Myojinsho Caldera active, inferred arc volcano Izu-Bonin Arc 31.8833 139.9500 1110 1988 deposits only; 2005 plume only
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
Kurose Hole inactive arc volcano Izu-Bonin Arc 33.4000 139.6800 760 1989 inactive; 2009 inactive
Shinkurose Bank inactive arc volcano Izu-Bonin Arc 33.5667 140.1667 200 1992 or earlier submersible Shinkai 2000
Omuro Hole active, confirmed arc volcano Izu-Bonin Arc 34.5467 139.4417 200 2012 ROV Hyper-Dolphin
Subscribe to Japan

The InterRidge Vents Database is hosted by InterRidge at the Institut de Physique du Globe de Paris (IPGP), France.
This site is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 International License
For more information, contact Stace Beaulieu, Woods Hole Oceanographic Institution, USA

Powered by Drupal