Tonga Arc, Volcano 14

Name Alias(es):

Twin caldera

Volcano B

MGDS_FeatureID lowest in hierarchy:

Tonga

Activity:

active, inferred

Latitude:

-23.5750

Longitude:

-176.7050

Location on map:

Ocean:

S. Pacific

Region:

Tonga Arc

National Jurisdiction:

Tonga

Maximum or Single Reported Depth (mbsl):

985

Tectonic setting:

arc volcano

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

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

2003 plume and dredge only

Discovery References (text):

(plume only) G. Massoth et al. G3 8, Q11008, doi:10.1029/2007GC001675, 2007, Multiple hydrothermal sources along the south Tonga arc and Valu Fa Ridge

(plume and dredge only) cruise SS02/2003 summary (http://www.marine.csiro.au/nationalfacility/voyagedocs/2003/0203s.htm).

Other References (text):

Arculus, R. J., Arc-backarc systems of northern Kermadec-Tonga, Proc. 2005 New Zealand Minerals Conference, 45–50, 2005.

Kim, H.-J., et al. (2013) Caldera structure of submarine Volcano #1 on the Tonga Arc at 21 09'S, southwestern Pacific: Analysis of multichannel seismic profiling. Earth Planets Space, 65, 893–900, doi:10.5047/eps.2013.01.002.

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