November 2025 - Avo-usgs - list.avo.alaska.edu

[AVO-OPS] AVO LOG- Seismic Summary - 11/28/2025
by logs--- via Avo_ops 30 Nov '25

30 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Sun Nov 30, 2025 23:06 (2306 UTC)-- "Significant" located earthquakes for November 28, 2025 (picking by Scott Stihler): Martin: 12; Iliamna: 5; Shishaldin: 4; Katmai: 3; Edgecumbe: 2; Novarupta: 2; Redoubt: 2; Steller: 2; Mageik: 1; Semisopochnoi: 1; Trident: 1; Davidof: 1 ======================== Martin (12 EQs): 1 EQ ~0 km N of the summit ML 2.1; Z = 2.5 km 1 EQ ~0 km N of the summit ML 2.0; Z = 2.0 km 1 EQ ~0 km ENE of the summit ML 1.9; Z = 2.6 km 1 EQ ~1 km S of the summit ML 1.2; Z = -1.8 km 1 EQ ~0 km NNW of the summit ML 1.1; Z = 1.2 km 1 EQ ~1 km ENE of the summit ML 0.4; Z = 2.0 km 1 EQ ~0 km SSE of the summit ML 0.1; Z = 0.6 km 1 EQ ~1 km NNW of the summit ML -0.3; Z = 1.4 km 1 EQ ~0 km S of the summit ML -0.4; Z = -0.4 km 1 EQ ~2 km ESE of the summit ML -0.6; Z = 2.5 km 1 EQ ~1 km NNW of the summit ML -0.6; Z = 2.0 km 1 EQ ~1 km S of the summit ML -0.8; Z = -1.7 km Iliamna (5 EQs): 1 EQ ~1 km SE of the summit ML -0.5; Z = 6.6 km 1 EQ ~4 km N of the summit ML -0.5; Z = 1.5 km 1 EQ ~3 km NE of the summit ML -0.6; Z = 0.9 km 1 low frequency EQ ~6 km NE of the summit ML -0.9; Z = 5.2 km 1 EQ ~1 km SE of the summit ML -0.9; Z = -2.1 km Shishaldin (4 EQs): 1 low frequency EQ ~3 km SE of the summit ML 1.1; Z = 7.2 km 1 low frequency EQ ~2 km WSW of the summit ML 1.1; Z = -0.3 km 1 low frequency EQ ~1 km W of the summit ML 1.0; Z = -0.9 km 1 low frequency EQ ~1 km WSW of the summit ML 0.9; Z = 4.9 km Katmai (3 EQs): 1 EQ ~1 km ESE of the summit ML 0.6; Z = 2.9 km 1 EQ ~3 km ESE of the summit ML -0.1; Z = 4.9 km 1 EQ ~3 km SE of the summit ML -0.3; Z = 6.3 km Edgecumbe (2 EQs): 1 EQ ~6 km E of the summit ML -0.3; Z = 8.0 km 1 low frequency EQ ~3 km NNW of the summit ML -0.5; Z = 6.0 km Novarupta (2 EQs): 1 EQ ~2 km S of the 1912 dome ML 0.8; Z = 5.1 km 1 EQ ~2 km SSE of the 1912 dome ML -0.6; Z = 3.0 km Redoubt (2 EQs): 1 EQ ~19 km N of the summit ML -0.1; Z = 8.4 km 1 EQ ~19 km NNW of the summit ML -0.3; Z = 9.5 km Steller (2 EQs): 1 EQ ~16 km NNE of the summit ML 1.1; Z = 5.5 km 1 EQ ~15 km NNE of the summit ML 0.6; Z = 3.2 km Mageik: 1 EQ ~1 km W of the summit ML -0.4; Z = 2.2 km Semisopochnoi: 1 EQ ~6 km WSW of the Mount Young ML 0.8; Z = 1.1 km Trident: 1 EQ ~2 km WNW of the summit ML -0.6; Z = 2.6 km Davidof: 1 EQ ~4 km NE of the summit ML 1.1; Z = 5.5 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454314 _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO LOG- Reply to: Chris Waythomas Acting AVO SIC Nov. 22-30
by logs--- via Avo_ops 30 Nov '25

30 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Sun Nov 30, 2025 23:03 (2303 UTC)-- I've returned to Anchorage and am resuming SIC duties. Thanks to Chris for acting while I was away. Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454313 _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO RSDB- 30 Nov 2025 satellite report
by Dave Schneider via Avo_ops 30 Nov '25

30 Nov '25

Associated Keywords: Cloud cover: cloudy; Associated Keywords: Cloud cover: cloudy; To view these and other satellite data, please use http://volcview.wr.usgs.gov/ Duty person can be reached at (907) 786-7481 if you have any questions. Last image viewed: 30 Nov 2025 19:30 UTC _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO RSDB- 29 Nov 2025 satellite report
by Dave Schneider via Avo_ops 29 Nov '25

29 Nov '25

Associated Keywords: Cloud cover: cloudy; Associated Keywords: Cloud cover: cloudy; To view these and other satellite data, please use http://volcview.wr.usgs.gov/ Duty person can be reached at (907) 786-7481 if you have any questions. Last image viewed: 29 Nov 2025 19:00 UTC _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO LOG- Seismic Summary - 11/27/2025
by logs--- via Avo_ops 29 Nov '25

29 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Sat Nov 29, 2025 15:56 (1556 UTC)-- "Significant" located earthquakes for November 27, 2025 (picking by Scott Stihler): Katmai: 4; Cleveland: 2; Makushin: 2; Shishaldin: 2; Great Sitkin: 1; Trident: 1 ======================== Katmai (4 EQs): 1 EQ ~2 km ESE of the summit ML 0.6; Z = 5.7 km 1 EQ ~3 km SE of the summit ML 0.4; Z = 4.7 km 1 EQ ~4 km NW of the summit ML 0.2; Z = 2.0 km 1 EQ ~3 km SE of the summit ML -0.1; Z = 5.7 km Cleveland (2 EQs): 1 EQ ~3 km S of the summit ML 0.4; Z = 1.7 km 1 EQ ~2 km ESE of the summit ML 0.4; Z = 0.8 km Makushin (2 EQs): 1 EQ ~8 km SE of the summit ML -0.1; Z = 5.0 km 1 EQ ~7 km SE of the summit ML -0.5; Z = 4.4 km Shishaldin (2 EQs): 1 EQ ~3 km WSW of the summit ML 0.8; Z = 1.8 km 1 EQ ~1 km WSW of the summit ML 0.5; Z = 0.8 km Great Sitkin: 1 EQ ~20 km S of the summit ML 1.1; Z = 2.7 km Trident: 1 EQ ~2 km ENE of the summit ML -0.5; Z = 4.1 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454303 _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO RSDB- 28 Nov 2025 satellite report
by Dave Schneider via Avo_ops 28 Nov '25

28 Nov '25

Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62889 : 375mAKKN-MIR-d20251128t0030708582Z.png Associated Keywords: Elevated surface temperatures: barely elevated; Cloud cover: cloudy; partly cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62890 : shishaldin_brpk-20251127T213200Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62891 : 375mAKSH-TIR-d20251127t2337597510Z.png https://www.avo.alaska.edu/admin/rsdb/files/show/62892 : 375mAKSH-MIR-d20251127t2316909606Z.png Associated Keywords: Volcanic clouds: steam/water; Cloud cover: mostly clear; To view these and other satellite data, please use http://volcview.wr.usgs.gov/ Duty person can be reached at (907) 786-7481 if you have any questions. Last image viewed: 28 Nov 2025 18:20 UTC _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO RSDB- 27 Nov 2025 satellite report
by Dave Schneider via Avo_ops 27 Nov '25

27 Nov '25

Associated Keywords: Cloud cover: cloudy; partly cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62887 : 375mAKSH-TIR-d20251127t1201112235Z.png https://www.avo.alaska.edu/admin/rsdb/files/show/62888 : shishaldin_brpk-20251127T013100Z.jpg Associated Keywords: Volcanic clouds: steam/water; Cloud cover: partly cloudy; mostly clear; To view these and other satellite data, please use http://volcview.wr.usgs.gov/ Duty person can be reached at (907) 786-7481 if you have any questions. Last image viewed: 27 Nov 2025 18:00 UTC _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO LOG- Seismic Summary - 11/26/2025
by logs--- via Avo_ops 27 Nov '25

27 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Thu Nov 27, 2025 07:24 (0724 UTC)-- "Significant" located earthquakes for November 26, 2025 (picking by Scott Stihler): Iliamna: 6; Spurr: 6; Martin: 3; Makushin: 2; Redoubt: 2; Wrangell: 2; Aniakchak: 1; Cleveland: 1; Griggs: 1; Katmai: 1; Mageik: 1; Novarupta: 1; Shishaldin: 1; Snowy: 1; Trident: 1 ======================== Iliamna (6 EQs): 1 EQ ~1 km ENE of the summit ML -0.3; Z = 5.1 km 1 EQ ~3 km E of the summit ML -0.5; Z = 0.2 km 1 EQ ~3 km SE of the summit ML -0.6; Z = 0.4 km 1 EQ ~1 km SSW of the summit ML -0.6; Z = 0.9 km 1 EQ ~4 km SSW of the summit ML -0.7; Z = -2.5 km 1 EQ ~2 km SSW of the summit ML -0.7; Z = -2.8 km Spurr (6 EQs): 1 EQ ~4 km N of the summit ML -0.0; Z = 1.3 km 1 EQ ~19 km S of the summit ML -0.2; Z = 6.6 km 1 EQ ~15 km S of the summit ML -0.4; Z = 6.5 km 1 EQ ~13 km S of the summit ML -0.5; Z = 4.0 km 1 EQ ~3 km NNW of the summit ML -0.7; Z = 3.6 km 1 EQ ~4 km N of the summit ML -0.9; Z = 1.4 km Martin (3 EQs): 1 EQ ~15 km NW of the summit ML 0.4; Z = 2.2 km 1 EQ ~14 km NW of the summit ML -0.3; Z = 4.4 km 1 EQ ~17 km WNW of the summit ML -0.3; Z = 8.5 km Makushin (2 EQs): 1 EQ ~7 km SE of the summit ML 0.0; Z = 6.9 km 1 EQ ~6 km SE of the summit ML -0.5; Z = 4.8 km Redoubt (2 EQs): 1 EQ ~18 km SSW of the summit ML -0.3; Z = 8.4 km 1 EQ ~6 km SE of the summit ML -0.5; Z = 0.1 km Wrangell (2 EQs): 1 EQ ~10 km S of the summit ML 0.6; Z = 4.1 km 1 EQ ~6 km W of the summit ML 0.2; Z = 8.2 km Aniakchak: 1 EQ ~2 km SW of the Vent Mountain ML 0.3; Z = 0.5 km Cleveland: 1 EQ ~5 km SE of the summit ML 0.8; Z = 3.0 km Griggs: 1 EQ ~16 km NE of the summit ML -0.3; Z = 7.8 km Katmai: 1 EQ ~3 km NW of the summit ML 0.4; Z = 2.9 km Mageik: 1 EQ ~3 km SW of the summit ML 0.2; Z = 0.6 km Novarupta: 1 deep low frequency EQ ~2 km ESE of the 1912 dome ML 0.3; Z = 32.4 km Shishaldin: 1 EQ ~3 km WSW of the summit ML 1.0; Z = 5.7 km Snowy: 1 EQ ~4 km E of the summit ML -0.0; Z = 4.9 km Trident: 1 EQ ~0 km WNW of the summit ML -0.1; Z = 5.2 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454289 _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO RSDB- 26 Nov 2025 satellite report
by Dave Schneider via Avo_ops 26 Nov '25

26 Nov '25

Associated Keywords: Cloud cover: cloudy; partly cloudy; Associated Keywords: Cloud cover: cloudy; mostly clear; To view these and other satellite data, please use http://volcview.wr.usgs.gov/ Duty person can be reached at (907) 786-7481 if you have any questions. Last image viewed: 26 Nov 2025 18:30 UTC _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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[AVO-OPS] AVO LOG- Seismic Summary - 11/25/2025
by logs--- via Avo_ops 26 Nov '25

26 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Wed Nov 26, 2025 17:53 (1753 UTC)-- "Significant" located earthquakes for November 25, 2025 (picking by Scott Stihler): Iliamna: 4; Martin: 3; Spurr: 3; Cleveland: 2; Makushin: 2; Redoubt: 2; Snowy: 2; Great Sitkin: 1; Mageik: 1 ======================== Iliamna (4 EQs): 1 EQ ~6 km ENE of the summit ML -0.2; Z = 1.3 km 1 EQ ~2 km ENE of the summit ML -0.4; Z = -0.3 km 1 EQ ~2 km SW of the summit ML -0.6; Z = 6.6 km 1 low frequency EQ ~3 km NE of the summit ML -0.7; Z = 1.9 km Martin (3 EQs): 1 EQ ~0 km NNE of the summit ML 1.0; Z = 1.1 km 1 EQ ~1 km E of the summit ML 0.3; Z = 1.9 km 1 EQ ~1 km SW of the summit ML -0.7; Z = -0.2 km Spurr (3 EQs): 1 EQ ~9 km ENE of the summit ML -0.2; Z = -2.7 km 1 deep low frequency EQ ~8 km SSE of the summit ML -0.4; Z = 22.3 km 1 low frequency EQ ~4 km NE of the summit ML -0.5; Z = 5.0 km Cleveland (2 EQs): 1 EQ ~4 km SSE of the summit ML 1.1; Z = 3.8 km 1 EQ ~4 km ESE of the summit ML 0.8; Z = 1.3 km Makushin (2 EQs): 1 EQ ~7 km SE of the summit ML 0.9; Z = 6.1 km 1 EQ ~8 km SE of the summit ML -0.1; Z = 7.0 km Redoubt (2 EQs): 1 EQ ~2 km E of the summit ML -0.2; Z = -0.1 km 1 EQ ~2 km ENE of the summit ML -0.8; Z = 0.9 km Snowy (2 EQs): 1 EQ ~3 km N of the summit ML 0.2; Z = 7.0 km 1 EQ ~10 km ENE of the summit ML -0.1; Z = 1.5 km Great Sitkin: 1 deep low frequency EQ ~14 km SSW of the summit ML 0.3; Z = 27.9 km Mageik: 1 EQ ~1 km NW of the summit ML -0.3; Z = 2.3 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454285 _______________________________________________ Avo_ops mailing list -- avo_ops(a)list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave(a)list.avo.alaska.edu

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