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Ahyi volcano, United States, Mariana Islands: news & activity updates

Updated: Mar 28, 2024 06:03 GMT-
latest (2024) | 2023 | 2022 | 2014

Ahyi volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 March-12 March 2024 (New Activity / Unrest)

Wed, 13 Mar 2024, 15:00
Signs of unrest at Ahyi Seamount continued. A small plume of discolored seawater in the vicinity of the seamount was observed in a 5 March satellite image. The Aviation Color Code remained at Yellow (the second lowest level on a four-color scale) and the Volcano Alert Level remained at Advisory (the second lowest level on a four-level scale). Read all

Ahyi volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 March-12 March 2024 (New Activity / Unrest)

Thu, 7 Mar 2024, 11:00
Signs of unrest at Ahyi Seamount continued. A small plume of discolored seawater in the vicinity of the seamount was observed in a 5 March satellite image. The Aviation Color Code remained at Yellow (the second lowest level on a four-color scale) and the Volcano Alert Level remained at Advisory (the second lowest level on a four-level scale). Read all
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Ahyi volcano
Submarine volcano -137 m / - 449 ft
United States, Mariana Islands, 20.42°N / 145.03°E
Current status: normal or dormant (1 out of 5) Ahyi volcano eruptions:
1979?, 2001, 2014, 2022 (mid Oct - ongoing, to be confirmed)
Typical eruption style
unspecified