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Higashi-Ensei
Vent Sites:
Ghibli site
Fukai site
Activity:
Maximum Temperature:
319
Max Temperature Category:
Latitude:
28.4393
Longitude:
128.1724
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
1220
Minimum Depth (mbsl):
1190
Tectonic setting:
Full Spreading Rate (mm/a):
24.2
Host Rock:
NotProvided
Deposit Type:
NotProvided
Notes on Vent Field Description:
“Higashi-Ensei” field was discovered near the Tokara Islands, in which two hydrothermal sites were found. Ghibli site was characterized by max. 319°C fluid venting, but only diffuse venting was seen in Fukai site.; position for Ghibli
Year and How Discovered (if active, visual confirmation is listed first):
2016 ROV Kaiko dives 723 and 724
Discovery References (text):
Kairei Cruise Report KR16-16 Cross-ministerial Strategic Innovation Promotion Program (SIP) Next-Generation Technology for Ocean Resources Exploration; Seeking and Hunting the Hydrothermal Activities in Southern Okinawa Trough; 18th November 2016, Naha – 5th December 2016, Kagoshima; Japan Agency for Marine-Earth Science & Technology (JAMSTEC) http://www.godac.jamstec.go.jp/catalog/data/doc_catalog/media/KR16-16_all.pdf (accessed on: 2019/01/09);
RDF link: