Ruby volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 4 October-10 October 2023 (New Activity / Unrest)
Wed, 11 Oct 2023, 14:00 | BY: VN
The US Geological Survey lowered both the Aviation Color Code and Volcano Alert Level for Ruby to Unassigned on 6 October, noting that eruptive activity was last detected during 14-15 September. The level of Unassigned reflected the lack of nearby monitoring instruments that could detect lower-level events.Source: US Geological Survey
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From: Global Volcanism Program, 2023. Report on Ruby. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 4 October-10 October 2023. Smithsonian Institution and US Geological Survey.
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Previous news
Fri, 6 Oct 2023, 03:20
Ruby volcano (Mariana Islands): no signals of eruptive activity, alert level lowered to Unassigned
The Northern Mariana Islands Volcano Observatory reported that no sign of volcanic activity has been monitored at the submarine volcano since 14/15 September. ... Read all
Wed, 27 Sep 2023, 14:00
Ruby volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 September-26 September 2023 (New Activity / Unrest)
The US Geological Survey reported that no activity had been detected at Ruby in regional seismic and infrasound data or in satellite imagery since the 14-16 September submarine eruption. The plume of discolored water that had detached from the source vent on 16 September drifted E and dispersed; it was between Saipan and Anatahan during 21-22 September, faintly visible N and NNE of Saipan during 23-25 September, and no longer visible by 26 September. The Volcano Alert Level remained at Advisory (the second level on a four-level scale) and the Aviation Color Code remained at Yellow (the second level on a four-color scale). ... Read all
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