Japan · Stratovolcano
Toshima
- Type
- Stratovolcano
- Elevation
- 508m
- Last eruption
- -4550
- Type
- Stratovolcano
- Country
- Japan
- Region
- Northwestern Pacific / Izu Volcanic Arc
- Elevation
- 508m
- Coordinates
- 34.520, 139.279
- Last eruption
- -4550
- Tectonic setting
- Subduction zone / Oceanic crust (< 15 km)
- Landform
- Composite
- Major rock type
- Basalt / Picro-basalt
Geological summary
The small 2 x 2.4 km island of Toshima is located in the northern Izu Islands south of Izu-Oshima Island about 20 km W of the main volcanic front. Steep cliffs up to 300 m high ring the basaltic to basaltic andesite island on three sides. The summit is asymmetrically located opposite the more gentle slopes of the northern side of the island, where the village of Toshima is located. The latest known eruption of this stratovolcano occurred sometime between about 9,000 and 4,000 years ago, producing a lava flow from Kajiana crater.
Eruption history
1 recordedGlossarySummary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 4550 BCE (±2550 yrs)VEI 0Geological estimate4550 BCE – end unknownKajiana crater
Nearby volcanoes
External links
- Not yet on Wikipedia (English). You can contribute on Wikidata.
- Smithsonian GVP source page
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