Ecuador · Shield volcano
Marchena Island
Marchena
- Type
- Shield volcano
- Elevation
- 343m
- Last eruption
- 1991
- Type
- Shield volcano
- Country
- Ecuador
- Region
- Eastern Pacific / Northern Galapagos Volcanic Province
- Elevation
- 343m
- Coordinates
- 0.330, -90.470
- Last eruption
- 1991
- Tectonic setting
- Rift zone / Oceanic crust (< 15 km)
- Landform
- Shield
- Major rock type
- Basalt / Picro-basalt
Geological summary
The low shield volcano forming Marchena Island contains one of the largest calderas of the Galápagos Islands.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Marchena Island is one of the Galapagos Islands in Ecuador. It has an area of 130 square kilometers (50 sq mi) and reaches an elevation of 343 meters (1,125 ft) above sea level. The island does not receive visitors, although the surrounding water is used by aquatic divers on organized tours. People generally see the island as they sail around the northern part of Isabela on the way to Genovesa Island.
Wikipedia · CC BY-SA · Read full article →
Eruption history
1 recordedGlossaryRecord summary
- Confirmed eruptions
- 1
- Uncertain eruptions
- 0
- Span of confirmed record
- 1991 – 1991
- Largest confirmed eruption
- VEI 2 (1991)
- 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
Detailed timeline
- 1991VEI 2Observed1991-09-25 – 1991-11-16West to SW caldera rim
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.