EPR, 3.9 N offset

Name Alias(es):

3 55'N, EPR

MGDS_FeatureID lowest in hierarchy:

EPR

Vent Sites:

Activity:

active, confirmed

Maximum Temperature:

Max Temperature Category:

NotProvided

Latitude:

3.9170

Longitude:

-102.2330

Location on map:

Ocean:

N. Pacific

Region:

N EPR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

2875

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

121.4

Volcano Number (if applicable):

Host Rock:

MORB

Deposit Type:

NotProvided

Notes on Vent Field Description:

Londale (1989): "active hydrothermal vent field" within 1km of offset at 3.9 N EPR

Notes Relevant to Biology:

Londale (1989): "dense clusters of sea anemones"

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

1989 or earlier Deep Tow photographs (cruise RIFTS or PAPATUA)

Discovery References (text):

Lonsdale, The Rise Flank Trails Left by Migrating Offsets of the Equatorial East Pacific Rise Axis, J. Geophys. Res., 94(B1), 713-743, 1989, doi:10.1029/JB094iB01p00713.

Other References (text):

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EPR, 3.9 N offset