Marion Island

Marion Island (South Africa) is a shield volcano. It rises to 1,230 m above sea level. The GVP records 2 confirmed eruptions in the Holocene, the latest in 2004.

Elevation: 1,230 m
Last eruption: 2004
Confirmed eruptions: 2
Max VEI: 1
Country: South Africa
Location: 46.90° S, 37.75° E
Region (GVP): Marion Hotspot Volcano Group
GVP type: Shield(s)
Tectonic setting: Rift zone / Oceanic crust (< 15 km)
Main rock type: Basalt / Picro-Basalt

Show on the timeline GVP entry ↗

Other volcanoes and strong earthquakes within 300 km

Eruption history

VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.

Start	End	VEI	Vent and dating
24 June 2004	24 June 2004	1	South side of island · Observations: Reported
16 September 1980	—	1	E-W fissure from summit to W coast · Observations: Reported

Data: Global Volcanism Program, Smithsonian Institution (#234070)