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Japan · Maar

Yonemaru-Sumiyoshiike

Type
Maar
Elevation
40m
Last eruption
-6200
Yonemaru-Sumiyoshiike
Photo: Batholith · Public domain · Wikimedia Commons
Type
Maar
Country
Japan
Region
Western Pacific / Ryukyu Volcanic Arc
Elevation
40m
Coordinates
31.771, 130.592
Last eruption
-6200
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Minor (basaltic)
Major rock type
Basalt / Picro-basalt

Geological summary

Yonemaru and Sumiyoshiike are basaltic maars formed in coastal lowland deposits north of the Aira caldera, on the SW and SE flanks of the small Pleistocene Aojiki cone.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

Eruption history

2 recordedGlossary

Record summary

Confirmed eruptions
2
Uncertain eruptions
0
Span of confirmed record
6250 BCE – 6200 BCE
Largest confirmed eruption
VEI 3 (6200 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
6250 BCE~6245 BCE · 1 eruptions · max VEI 26205 BCE~6200 BCE · 1 eruptions · max VEI 36250 BCE6240 BCE6225 BCE6215 BCE6205 BCE

Detailed timeline

  1. 6200 BCEVEI 3Geological estimate
    6200 BCE – end unknown
    Yonemaru
  2. 6250 BCEVEI 2Geological estimate
    6250 BCE – end unknown
    Sumiyoshi-ike

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.