Southern EPR at 18.2°S (Segment J)

Southern EPR at 18.2°S (Segment J) is a fissure vent. It rises to −2,650 m above sea level. The GVP records 2 confirmed eruptions in the Holocene, the latest in 1890.

Elevation: −2,650 m
Last eruption: 1890
Confirmed eruptions: 2
Max VEI: 0
Countries: submarine, outside national borders
Location: 18.18° S, 113.35° W
Region (GVP): Southern East Pacific Rise Volcanic Province
GVP type: Fissure vent(s)
Tectonic setting: Rift zone / Oceanic crust (< 15 km)
Main rock type: Basalt / Picro-Basalt

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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
c. 2 July 1890	—	0	Correlation: Magnetism
c. 2 July 1820	—	0	Correlation: Magnetism

Data: Global Volcanism Program, Smithsonian Institution (#334130)