Japan · Complex volcano
Iōtorishima
Io-Torishima
- Type
- Complex volcano
- Elevation
- 212m
- Last eruption
- 1968

- Type
- Complex volcano
- Country
- Japan
- Region
- Western Pacific / Ryukyu Volcanic Arc
- Elevation
- 212m
- Coordinates
- 27.881, 128.223
- Last eruption
- 1968
- Tectonic setting
- Subduction zone / Oceanic crust (< 15 km)
- Landform
- Composite
- Major rock type
- Andesite / Basaltic andesite
Geological summary
The 1 x 2.7 km island of Io-Torishima, located north of the largest island of the Ryukyus, Okinawa, is composed of two andesitic volcanoes.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Iōtorishima , also known as Iwo Tori-shima and Okinawa Torishima (沖縄鳥島), is a volcanic island part of the Ryūkyū Island chain with the only active volcano in Okinawa Prefecture.
Wikipedia · CC BY-SA · Read full article →
Eruption history
9 recordedGlossaryRecord summary
- Confirmed eruptions
- 9
- Uncertain eruptions
- 0
- Span of confirmed record
- 1664 – 1968
- Largest confirmed eruption
- VEI 2 (1959, the most recent of 4)
- Confirmed eruptions since 1900
- 4
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 1968VEI 1Observed1968-07-18 – 1968-07-18
- 1967VEI 1Observed1967-11-25 – end unknown
- 1959VEI 2Observed1959-06-08 – 1959-07-16Iwo-dake
- 1903VEI 2Observed1903-03-15 – 1903-08-26
- 1868VEI 1Observed1868-02-16 – 1868-04-16
- 1855VEI 2Observed1855-03-16 – 1855-05-16
- 1829VEI 1Observed1829-12-01 – 1829-12-16
- 1796VEI 2Observed1796-10 – 1796-11Iwo-dake
- 1664VEI ?Observed1664 – end unknown
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.