Hudson Mountains

Hudson Mountains (Antarctica) is a stratovolcano. It rises to 749 m above sea level. The GVP records 1 confirmed eruption in the Holocene, the latest in 207 BCE.

Elevation: 749 m
Last eruption: 207 BCE
Confirmed eruptions: 1
Max VEI: 4
Country: Antarctica
Location: 74.33° S, 99.42° W
Region (GVP): Western Antarctica Volcanic Province
GVP type: Stratovolcano(es)
Tectonic setting: Intraplate / Continental crust (> 25 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
207 BCE ± 240 years	—	4	Hudson Mountains Subglacial Volcano · Sidereal: Ice Core

Data: Global Volcanism Program, Smithsonian Institution (#390028)