Skip to main content
Back to map
CompareShow on map

Undersea features · Fissure vent

Unnamed submarine volcano in the Pacific Ocean

Northern EPR at 10.7°N

Type
Fissure vent
Elevation
2900m (submarine)
Last eruption
2003
A temperature probe from the submersible vehicle Alvin collects data at a low-temperature hydrothermal vent located in a collapse structure in the East Pacific Rise area. The maximum temperatures reached only 9.5°C. This lava flow was erupted within only a few weeks to a few months of this November 2003 expedition. The flow was covered by bacterial mats, had large amounts of bacterial floc issuing from diffuse vents, and was sparsely populated by small animals.
A temperature probe from the submersible vehicle Alvin collects data at a low-temperature hydrothermal vent located in a collapse structure in the East Pacific Rise area. The maximum temperatures reached only 9.5°C. This lava flow was erupted within only a few weeks to a few months of this November 2003 expedition. The flow was covered by bacterial mats, had large amounts of bacterial floc issuing from diffuse vents, and was sparsely populated by small animals. · Photo: Photo courtesy J.R. Voight, 2003 (Ridge2000, National Science Foundation).
Type
Fissure vent
Country
Undersea features
Region
Eastern Pacific / Northern East Pacific Rise Volcanic Province
Elevation
2900m (submarine)
Coordinates
10.730, -103.580
Last eruption
2003
Tectonic setting
Intraplate / Oceanic crust (< 15 km)
Landform
Cluster
Major rock type
Basalt / Picro-basalt

Geological summary

Divers in the submersible Alvin discovered an extremely fresh lava flow in an unexpected location at 10°44'N on the East Pacific Rise during an expedition in November 2003.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

Eruption history

1 recordedGlossary

Record summary

Confirmed eruptions
1
Uncertain eruptions
0
Span of confirmed record
2003 – 2003
Largest confirmed eruption
VEI 0 (2003)
Confirmed eruptions since 1900
1
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
2003~2003 · 1 eruptions · max VEI 020032003200420042004

Detailed timeline

  1. 2003VEI 0Observed
    2003-05-31 – 2003-10-15
    East Pacific Rise (10.73°N)

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.