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Matupi Harbour, Rabaul caldera, New Britain Island

Name Alias(es): 
Matupi Harbor
Matupit Bay
Max Temperature Category: 
Location on map: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
Minimum Depth (mbsl): 
Tectonic setting: 
Volcano Number (if applicable): 
Host Rock: 
Deposit Type: 
LTH, amorphous silica and Fe & Mn rich crusts
Notes on Vent Field Description: 
Coastal Papua New Guinea; Studt (1961): "The most striking hydrothermal feature is the complete absence of hot springs more than a foot or two above sea level. The springs occur typically along the shoreline between high- and low-water levels, ...there are many parts of the Matupi-Rapindik shore-line where bubbling and upwelling of hot water can be seen"; Ferguson & Lambert (1972) sampled sediments and fluids
Notes Relevant to Biology: 
see Tarasov et al. (1999)
Year and How Discovered (if active, visual confirmation is listed first): 
1961 or earlier intertidal
Discovery References (text): 
Studt, F. E. (1961) Preliminary survey of the hydrothermal field at Rabaul, New Britain. New Zealand Journal of Geology and Geophysics, 4:3, 274-282, DOI:10.1080/00288306.1961.10423128.
[Ferguson & Lambert, Econ. Geol., 67, 25-37, 1972, Volcanic Exhalations and Metal Enrichments at Matupi Harbor, New Britain, T.P.N.G.]
Other References (text): 
Tarasov, V.G., et al. (1999) Effect of shallow-water hydrothermal venting on the biota of Matupi Harbor (Rabaul Caldera, New Britain Island, Papua-New Guinea). Cont. Shelf Res. 19, 79-116.