Yokosuka

Name Alias(es):

Vent Sites:

Shisa

Neuschwanstein

Hohenschwangau

Heidelberg

Activity:

active, confirmed

Maximum Temperature:

364

Max Temperature Category:

High

Latitude:

25.2638

Longitude:

124.3733

Location on map:

Ocean:

N. Pacific

Region:

Okinawa Trough

National Jurisdiction:

Japan

Maximum or Single Reported Depth (mbsl):

2190

Tectonic setting:

back-arc spreading center

Full Spreading Rate (mm/a):

43.5

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

position and temperature given for Hohenschwangau site; see section 3.1 Overview of the Yokosuka site for host rock type (Miyazaki J et al. 2017); as for 2017 it is the deepest vent field known in the Okinawa Trough

Notes Relevant to Biology:

see section 3.3 for microbial and 3.4 for megabenthos composition (Miyazaki J et al. 2017)

Year and How Discovered (if active, visual confirmation is listed first):

2016 ROV Kaiko; 2014 plume only

Discovery References (text):

Miyazaki J et al. (2017) Deepest and hottest hydrothermal activity in the Okinawa Trough: the Yokosuka site at Yaeyama Knoll. R. Soc. open sci. 4: 171570. http://dx.doi.org/10.1098/rsos.171570

Other References (text):

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