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Gorda Ridge, EP96A
MGDS_FeatureID lowest in hierarchy:
Activity:
Latitude:
42.6790
Longitude:
-126.7820
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
3150
Minimum Depth (mbsl):
3100
Tectonic setting:
Full Spreading Rate (mm/a):
55.7
Volcano Number (if applicable):
Host Rock:
basalt-hosted
Deposit Type:
NotProvided
Notes on Vent Field Description:
youngest (days old) plume, EP96A, found during GREAT 1 cruise; site of newly erupted lava in 1996; vents not observed directly - the shimmering water was from cooling lava; NOAA Vents Program webpage for northern Gorda Ridge: http://www.pmel.noaa.gov/vents/gorda_site.html
Notes Relevant to Biology:
NotProvided
Year and How Discovered (if active, visual confirmation is listed first):
1996 camera/temperature tow followed by ROV did not confirm hydrothermal activity
Discovery References (text):
Chadwick et al. (1998) The 1996 Gorda Ridge eruption: geologic mapping, sidescan sonar, and SeaBeam comparison results. Deep Sea Research II 45: 2547-2569.
Other References (text):
Cowen and Baker, Deep Sea Research II, 45 (12): 2503-2511, 1998 (special volume), The 1996 Gorda Ridge event detection and response activities: historical perspective and future implications.
RDF link: