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Newborn volcanic island spotted from space (satellite photo)

Posted: Wed Oct 05, 2022 6:23 pm
by Sky
Newborn volcanic island spotted from space (satellite photo)

https://www.space.com/newborn-volcanic- ... lite-photo

Photo: An image taken by the Landsat 9 satellite on Sept. 14, 2022, showing a volcanic eruption creating a small island at Home Reef in Tonga. (Image credit: Lauren Dauphin, using Landsat data from the U.S. Geological Survey)

On Dec. 21, 2021, the Hunga Tonga-Hunga Ha'apai undersea volcano in Tonga erupted with explosive force, sending a shockwave that went around the world several times.

There's currently another eruption happening in the Pacific nation, which comprises around 170 islands, but it's a much calmer situation. The underwater Home Reef seamount has risen above the surface of the ocean thanks to a small eruption that began on Sept. 10, and the infant island that it formed has been captured by the powerful Landsat 9 satellite, a joint project between NASA and the U.S. Geological Survey (USGS) that launched to Earth orbit last year.

The volcano emerged from the sea just 11 hours after the eruption began, with lava and ash creating a small island. Four days later, the land area of the small island was about 1 acre (0.4 hectares). By Sept. 20, it reached 6 acres (2.4 hectares).

Re: Newborn volcanic island spotted from space (satellite photo)

Posted: Tue Oct 01, 2024 3:48 am
by xkhan

Re: Newborn volcanic island spotted from space (satellite photo)

Posted: Sun Nov 03, 2024 6:00 am
by xkhan
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