There's a new island in the South Pacific thanks to underwater volcanic activity. But NASA warns islands formed this way don't typically last more than a few years.
Lauren Dauphin/NASA Earth ObservatoryEarlier this month, an underwater volcano near Tonga erupted, oozing lava and expelling steam and water above the surface. It also formed a new land mass that's quickly grown from one to more than eight acres in size.Eleven hours later, the unnamed island poked out of the water.that the island had expanded to roughly 8.6 acres and stood at around 50 feet above sea level as of Sept. 19.
This isn't the first time Home Reef has erupted. The region of submarine volcanoes flared up in 1852, 1857, 1984 and 2006, producing new islands each time.
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