Russia · Caldera
Ushishir
Ushishur
- Type
- Caldera
- Elevation
- 357m
- Last eruption
- 1884
- Type
- Caldera
- Country
- Russia
- Region
- Northwestern Pacific / Kuril Volcanic Arc
- Elevation
- 357m
- Coordinates
- 47.513, 152.814
- Last eruption
- 1884
- Tectonic setting
- Subduction zone / Oceanic crust (< 15 km)
- Landform
- Caldera
- Major rock type
- Andesite / Basaltic andesite
Geological summary
The subaerial portion of Ushishur volcano in the central Kuriles is exposed in two small islands, the southern containing the summit caldera and the northern a portion of the volcano's flanks.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Ushishir is a collective name for two uninhabited volcanic islands and several reefs, all being parts of an eponymous partially submerged volcano, located in the centre of the Kuril Islands chain in the Sea of Okhotsk in the northwest Pacific Ocean. Its name is derived from the Ainu language for "hot spring".
Wikipedia · CC BY-SA · Read full article →
Eruption history
4 recordedGlossaryRecord summary
- Confirmed eruptions
- 4
- Uncertain eruptions
- 0
- Span of confirmed record
- 7450 BCE (±50 yrs) – 1884
- Largest confirmed eruption
- VEI 4 (7450 BCE)
- Confirmed eruptions since 1900
- 0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 1884VEI 1Observed1884-07-16 – end unknownSE caldera wall
- 1769VEI ?Observed1769 – end unknownCenter of caldera bay
- 1710 (±10 yrs)VEI 1Observed1710 – end unknownSE caldera wall
- 7450 BCE (±50 yrs)VEI 4Geological estimate7450 BCE – end unknown
Nearby volcanoes
External links
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