Takawangha volcano (Andreanof Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 March-7 March 2023 (Continuing Activity)
Wed, 8 Mar 2023, 15:00 15:00 PM | BY: VN
AVO reported that the earthquake swarm at Takawangha that began in November 2022 was ongoing with 120 earthquakes located during 25 February-3 March. The number of events per day was highest on 28 February and 1 March, with over 50 earthquakes located on each of those days. Three earthquakes had magnitudes greater than 3, occurred at shallow depths of less than 6 km, and were located about 6 km E of the volcano.During 3-7 March small daily earthquakes with magnitudes less than M2 occurred in the vicinity of the volcano. 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).
Source: US Geological Survey Alaska Volcano Observatory (AVO)
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From: Global Volcanism Program, 2023. Report on Takawangha. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 1 March-7 March 2023. Smithsonian Institution and US Geological Survey.
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Thu, 2 Mar 2023, 11:00
Takawangha volcano (Andreanof Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 March-7 March 2023 (Continuing Activity)
AVO reported that the earthquake swarm at Takawangha that began in November 2022 was ongoing with 120 earthquakes located during 25 February-3 March. The number of events per day was highest on 28 February and 1 March, with over 50 earthquakes located on each of those days. Three earthquakes had magnitudes greater than 3, occurred at shallow depths of less than 6 km, and were located about 6 km E of the volcano. ... Read all
Wed, 23 Nov 2022, 15:00
Takawangha volcano (Andreanof Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 November-22 November 2022 (New Activity / Unrest)
On 18 November AVO raised the Aviation Color Code for Takawangha to Yellow (the second lowest level on a four-color scale) and the Volcano Alert Level to Advisory (the second lowest level on a four-level scale) based on increased seismicity. The number of small earthquakes detected near the volcano had increased during the previous few days and intensified during 17-18 November. The earthquakes were located at depths of 3-6 km below sea level with the largest magnitudes between 2 and 3. ... Read all
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