United States · Stratovolcano
Agrihan
Agrigan
- Type
- Stratovolcano
- Elevation
- 965m
- Last eruption
- 1917
- Type
- Stratovolcano
- Country
- United States
- Region
- Northwestern Pacific / Mariana Volcanic Arc
- Elevation
- 965m
- Coordinates
- 18.770, 145.670
- Last eruption
- 1917
- Tectonic setting
- Subduction zone / Crustal thickness unknown
- Landform
- Composite
- Major rock type
- Basalt / Picro-basalt
Geological summary
The highest of the Marianas arc volcanoes, Agrigan contains a 500-m-deep, flat-floored caldera. The elliptical island is 8 km long; its summit is the top of a massive 4000-m-high submarine volcano.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Agrihan is an island in the Northern Mariana Islands in the Pacific Ocean. The island has mostly been uninhabited, but had 4 permanent residents in the 2020 U.S. census. Agrihan is located 62 kilometers (39 mi) to the north of Pagan.
Wikipedia · CC BY-SA · Read full article →
Eruption history
1 recordedGlossaryRecord summary
- Confirmed eruptions
- 1
- Uncertain eruptions
- 0
- Span of confirmed record
- 1917 – 1917
- Largest confirmed eruption
- VEI 4 (1917)
- 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
- 1917VEI 4Observed1917-04-09 – end unknown
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.