How Many Volcanoes on Oahu
How Many Volcanoes on Oahuの概要と注目ポイントをわかりやすく整理しました。
Technically, Oahu has zero active volcanoes—as in, none that are currently gushing lava and ruining anyone’s golf game. That’s right, the island you’re standing on hasn’t erupted in about 30,000 years. So put down your fire-resistant flip-flops; you’re safe.
But wait—don’t close your browser in a fit of boredom. Oahu is literally built from volcanoes, just very, very sleepy ones. The island is the product of two massive shield volcanoes—the Waiʻanae Range and the Koʻolau Range—that erupted millions of years ago. They’re basically the ancient, wrinkly grandparents of the Hawaiian volcanic family.
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