Pico Fracture Zone
Fissure vent · Undersea Features · 4200m (submarine)

- Type
- Fissure vent
- Country
- Undersea Features
- Region
- Atlantic Ocean Volcanic Regions / Azores-Terceira Rift Volcanic Province
- Elevation
- 4200m (submarine)
- Coordinates
- 38.750, -38.080
- Last eruption
- 1865
- Tectonic setting
- Intraplate / Oceanic crust (< 15 km)
- Landform
- Cluster
- Major rock type
- No Data (checked)
Geological summary
On 9 July 1865 the crew of a whaling ship observed a submarine eruption. Floating pumice reached the ocean surface, where it formed a large "floating mountain." A strong odor of sulfur was noticed, and dull rumbling sounds were heard at intervals of one hour.
Eruption history
Summary (VEI over time)
Click a bar to see individual eruptions
Detailed timeline
- 1865VEI 0Observed1865-07-09 – Ongoing
External links
- Not yet on Wikipedia (English). You can contribute on Wikidata.
- 🔗 Smithsonian GVP source page
⚠ For reference only. Not for emergency response.