Agrigan

Agrigan (Northern Mariana Islands) is a stratovolcano. It rises to 965 m above sea level. The GVP records 1 confirmed eruption in the Holocene, the latest in 1917.

Elevation: 965 m
Last eruption: 1917
Confirmed eruptions: 1
Max VEI: 4
Country: Northern Mariana Islands
Location: 18.77° N, 145.67° E
Region (GVP): Mariana Volcanic Arc
GVP type: Stratovolcano
Tectonic setting: Subduction zone / Crustal thickness unknown
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
9 April 1917	—	4	Observations: Reported

Data: Global Volcanism Program, Smithsonian Institution (#284160)