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Myōjin-shō

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明神礁

An active submarine volcano in the Izu Islands known for forming temporary islands and its history of powerful underwater eruptions.

Myōjin-shō
Helen Foster, U.S. Geological Survey Public domain resized via Wikimedia Commons

What it is

  • A submarine volcano located within a large seven by ten kilometer caldera.
  • Named after the fishing boat that first witnessed its major activity.
  • An active site featuring hydrothermal activity and underwater fumaroles.
  • The source of dacite lava eruptions similar to those of Mount Unzen.

What to see

  • Temporary islands that occasionally form above the surface after major eruptions.
  • The surrounding waters fifty kilometers north of Sumisu Island.
  • The nearby Bayonnaise Rocks located ten kilometers to the west.

Notes written by Japan Gems from facts in Japanese Wikipedia.

Where it is

Myōjin-shō Open in Google Maps

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