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Eruption of the Ruby submarine volcano northwest of Saipan

By Scott Bachmeier •

JMA Himawari-9 True Color RGB images, from 2150 UTC to 0450 UTC on 14/15 and 15/16 September [click to play animated GIF | MP4]

JMA Himawari-9 True Color RGB images created using Geo2Grid (above) showed the motion of a plume of discolored water — located between Saipan and Anatahan in the Northern Mariana Islands — which was the result of an eruption of the Ruby submarine volcano late in the day on 14 September 2023 (Volcanic Activity Notice). The plume was semi-circular in shape on Day 1 of the 2-day animation, but had become more oblong on Day 2. No atmospheric volcanic clouds were created by this eruption.

Categories: Himawari-9, Red-Green-Blue (RGB) images, Volcanic activity