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[AVO-OPS] AVO RSDB- 8 Dec 2025 satellite report
by Chris Waythomas via Avo_ops 08 Dec '25

08 Dec '25

Associated Keywords: Cloud cover: cloudy; 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: 08 Dec 2025 14:55 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- 7 Dec 2025 satellite report
by Michelle Coombs via Avo_ops 07 Dec '25

07 Dec '25

Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62901 : gsitkin_gsck-20251207T000500Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62902 : Screenshot 2025-12-07 091401.png Associated Keywords: Cloud cover: mostly clear; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62903 : shishaldin_brpk-20251207T003100Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62904 : Screenshot 2025-12-07 092744.png https://www.avo.alaska.edu/admin/rsdb/files/show/62905 : 12062025_Sentinel2_SWIR_screengrab.png Associated Keywords: Volcanic clouds: steam/water; Elevated surface temperatures: barely elevated; 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: 07 Dec 2025 15:13 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- 6 Dec 2025 satellite report
by Michelle Coombs via Avo_ops 06 Dec '25

06 Dec '25

Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62900 : Screenshot 2025-12-06 112946.png Associated Keywords: Elevated surface temperatures: barely elevated; Cloud cover: cloudy; mostly clear; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62899 : shishaldin_islz-20251206T023000Z.jpg Associated Keywords: Volcanic clouds: steam/water; Cloud cover: mostly clear; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62896 : 375mAKSH-VIS-d20251204t2244863244Z.png https://www.avo.alaska.edu/admin/rsdb/files/show/62897 : cleveland_clcl-20251206T021000Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62898 : 375mAKCL-MIR-d20251206t1413351338Z.png Associated Keywords: Volcanic clouds: steam/water; Elevated surface temperatures: moderately elevated; 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: 06 Dec 2025 15:02 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 - 12/05/2025
by logs--- via Avo_ops 06 Dec '25

06 Dec '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Sat Dec 6, 2025 19:17 (1917 UTC)-- "Significant" located earthquakes for December 5, 2025 (picking by Scott Stihler): Iliamna: 25; Spurr: 3; Great Sitkin: 2; Katmai: 2; Redoubt: 2; Mageik: 1; Okmok: 1; Semisopochnoi: 1; Wrangell: 1 ======================== Iliamna (25 EQs): 1 EQ ~4 km S of the summit ML -1.1; Z = 0.8 km 1 EQ ~2 km SSW of the summit ML -0.9; Z = -2.9 km 1 EQ ~2 km NE of the summit ML -0.8; Z = 1.1 km 1 EQ ~2 km SSE of the summit ML -1.0; Z = 5.4 km 1 EQ ~4 km ENE of the summit ML -0.2; Z = 4.6 km 1 EQ ~3 km SW of the summit ML -0.7; Z = 0.2 km 1 EQ ~4 km S of the summit ML -0.9; Z = 0.7 km 1 EQ ~3 km NNE of the summit ML -0.6; Z = 2.3 km 1 EQ ~3 km SSE of the summit ML -0.7; Z = 0.1 km 1 EQ ~3 km NNE of the summit ML -0.9; Z = 0.8 km 1 EQ ~1 km NNE of the summit ML -0.8; Z = -2.3 km 1 EQ ~1 km NNE of the summit ML -1.1; Z = -2.1 km 1 EQ ~1 km NNE of the summit ML -0.9; Z = -1.8 km 1 EQ ~4 km NNE of the summit ML -0.7; Z = 0.8 km 1 EQ ~1 km NNE of the summit ML -0.5; Z = 0.6 km 1 EQ ~2 km NNE of the summit ML -0.8; Z = 0.2 km 1 EQ ~2 km NE of the summit ML -0.5; Z = 1.9 km 1 EQ ~2 km WSW of the summit ML -0.3; Z = -3.0 km 1 EQ ~1 km NNE of the summit ML -1.0; Z = -0.4 km 1 EQ ~2 km N of the summit ML -0.1; Z = -3.0 km 1 EQ ~3 km E of the summit ML -0.4; Z = 1.5 km 1 EQ ~2 km NNW of the summit ML -1.2; Z = 3.4 km 1 EQ ~2 km NNE of the summit ML -0.6; Z = 0.8 km 1 EQ ~2 km SSW of the summit ML -1.1; Z = 0.6 km 1 EQ ~2 km E of the summit ML -1.2; Z = 1.8 km Spurr (3 EQs): 1 EQ ~14 km NW of the summit ML -0.5; Z = 0.8 km 1 EQ ~6 km SSE of the summit ML -0.4; Z = 20.2 km 1 EQ ~6 km SE of the summit ML -0.6; Z = 27.5 km Great Sitkin (2 EQs): 1 EQ ~2 km SW of the summit ML -0.1; Z = 1.5 km 1 EQ ~4 km WSW of the summit ML 0.7; Z = 2.0 km Katmai (2 EQs): 1 EQ ~3 km SSE of the summit ML -0.1; Z = 13.9 km 1 EQ ~8 km ESE of the summit ML -0.2; Z = 14.8 km Redoubt (2 EQs): 1 EQ ~3 km NNE of the summit ML -0.8; Z = -1.4 km 1 EQ ~2 km N of the summit ML -0.9; Z = 4.8 km Mageik: 1 EQ ~0 km WNW of the summit ML -0.5; Z = 2.4 km Okmok: 1 EQ ~14 km SSE of the center of caldera ML 1.6; Z = 20.9 km Semisopochnoi: 1 EQ ~1 km N of Mount Young ML 1.2; Z = 8.9 km Wrangell: 1 EQ ~4 km W of the summit ML 0.0; Z = 4.2 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454354 _______________________________________________ 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 - 12/04/2025
by logs--- via Avo_ops 05 Dec '25

05 Dec '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Fri Dec 5, 2025 19:05 (1905 UTC)-- "Significant" located earthquakes for December 4, 2025 (picking by Scott Stihler): Iliamna: 11; Redoubt: 4; Spurr: 4; Katmai: 2; Mageik: 2; Martin: 2; Snowy: 2; Cleveland: 1; Takawangha: 1 ======================== Iliamna (11 EQs): 1 low frequency EQ ~1 km ESE of the summit ML -0.1; Z = 0.8 km 1 EQ ~4 km ENE of the summit ML -0.4; Z = 1.4 km 1 EQ ~2 km ENE of the summit ML -0.5; Z = 0.8 km 1 low frequency EQ ~5 km NE of the summit ML -0.5; Z = 4.2 km 1 EQ ~5 km ENE of the summit ML -0.6; Z = 1.1 km 1 EQ ~4 km SSE of the summit ML -0.7; Z = 0.4 km 1 low frequency EQ ~2 km SSE of the summit ML -0.9; Z = 1.1 km 1 EQ ~3 km SSE of the summit ML -0.9; Z = -1.8 km 1 EQ ~4 km SSE of the summit ML -1.0; Z = 1.4 km 1 EQ ~3 km NNE of the summit ML -1.0; Z = 1.2 km 1 EQ ~3 km ESE of the summit ML -1.1; Z = 1.7 km Redoubt (4 EQs): 1 EQ ~4 km ENE of the summit ML -0.5; Z = 6.5 km 1 EQ ~4 km ENE of the summit ML -0.8; Z = 6.8 km 1 EQ ~2 km WNW of the summit ML -0.9; Z = 2.2 km 1 low frequency EQ ~1 km E of the summit ML -1.1; Z = 0.1 km Spurr (4 EQs): 1 EQ ~7 km WSW of the summit ML 0.4; Z = 4.7 km 1 EQ ~3 km WNW of the summit ML -0.0; Z = 0.6 km 1 EQ ~3 km WNW of the summit ML -0.1; Z = 1.3 km 1 EQ ~5 km W of the summit ML -0.8; Z = -0.5 km Katmai (2 EQs): 1 EQ ~2 km NW of the summit ML 0.1; Z = 2.9 km 1 EQ ~2 km NW of the summit ML -0.3; Z = 2.8 km Mageik (2 EQs): 1 EQ ~0 km W of the summit ML -0.6; Z = 2.1 km 1 EQ ~1 km WNW of the summit ML -0.8; Z = 1.4 km Martin (2 EQs): 1 EQ ~2 km WSW of the summit ML -0.5; Z = 1.5 km 1 EQ ~1 km WNW of the summit ML -0.5; Z = 1.5 km Snowy (2 EQs): 1 EQ ~6 km NW of the summit ML -0.1; Z = 5.1 km 1 EQ ~5 km WNW of the summit ML -0.2; Z = 4.1 km Cleveland: 1 EQ ~3 km E of the summit ML 1.8; Z = 5.1 km Takawangha: 1 EQ ~14 km ENE of the summit ML 1.9; Z = 5.2 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454348 _______________________________________________ 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- 5 Dec 2025 satellite report
by Michelle Coombs via Avo_ops 05 Dec '25

05 Dec '25

Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62894 : 375mAKKN-MIR-d20251205t0027463390Z.png Associated Keywords: Elevated surface temperatures: moderately elevated; Cloud cover: cloudy; partly cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62893 : shishaldin_brpk-20251204T183200Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62895 : 375mAKSH-VIS-d20251204t2244863244Z.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: 05 Dec 2025 14:32 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 - 12/03/2025
by logs--- via Avo_ops 05 Dec '25

05 Dec '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Fri Dec 5, 2025 02:03 (0203 UTC)-- "Significant" located earthquakes for December 3, 2025 (picking by Scott Stihler): Iliamna: 4; Redoubt: 4; Spurr: 4; Dutton: 1; Martin: 1; Snowy: 1; Trident: 1; Veniaminof: 1 ======================== Iliamna (4 EQs): 1 EQ ~7 km ENE of the summit ML -0.4; Z = 6.3 km 1 EQ ~1 km SW of the summit ML -1.0; Z = -2.0 km 1 EQ ~3 km ESE of the summit ML -1.2; Z = 0.5 km 1 EQ ~1 km NNE of the summit ML -0.7; Z = -2.0 km Redoubt (4 EQs): 1 EQ ~3 km ENE of the summit ML -0.8; Z = 6.2 km 1 EQ ~9 km WNW of the summit ML -0.7; Z = 7.0 km 1 EQ ~4 km N of the summit ML -0.8; Z = 4.4 km 1 EQ ~4 km N of the summit ML -0.2; Z = 4.4 km Spurr (4 EQs): 1 EQ ~15 km S of the summit ML 1.7; Z = 6.1 km 1 EQ ~28 km NE of the summit ML 0.2; Z = 8.2 km 1 EQ ~11 km SSW of the summit ML -0.5; Z = 6.8 km 1 EQ ~5 km SE of the summit ML 0.2; Z = 19.0 km Dutton: 1 EQ ~3 km SE of the summit ML 0.7; Z = 4.9 km Martin: 1 EQ ~1 km E of the summit ML 0.0; Z = -1.5 km Snowy: 1 EQ ~11 km SSW of the summit ML -0.1; Z = 1.6 km Trident: 1 EQ ~0 km E of the summit ML -0.6; Z = 5.4 km Veniaminof: 1 EQ ~4 km SW of the intracaldera cone ML 1.5; Z = 20.2 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454342 _______________________________________________ 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- 4 Dec 2025 satellite report
by Michelle Coombs via Avo_ops 04 Dec '25

04 Dec '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: 04 Dec 2025 14:51 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 - 12/02/2025
by logs--- via Avo_ops 04 Dec '25

04 Dec '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Thu Dec 4, 2025 00:02 (0002 UTC)-- "Significant" located earthquakes for December 2, 2025 (picking by Scott Stihler): Spurr: 4; Martin: 3; Iliamna: 2; Redoubt: 1 ======================== Spurr (4 EQs): 1 EQ ~6 km SSE of the summit ML 1.8; Z = 19.8 km 1 EQ ~20 km S of the summit ML 0.3; Z = 4.6 km 1 EQ ~5 km SSE of the summit ML -0.3; Z = 20.5 km 1 EQ ~14 km S of the summit ML -0.8; Z = 6.4 km Martin (3 EQs): 1 EQ ~2 km ESE of the summit ML 1.0; Z = 1.5 km 1 EQ ~2 km ENE of the summit ML 0.4; Z = 1.0 km 1 EQ ~2 km W of the summit ML -0.1; Z = 2.2 km Iliamna (2 EQs): 1 EQ ~3 km NE of the summit ML -0.7; Z = 0.6 km 1 EQ ~2 km NNE of the summit ML -0.9; Z = -2.4 km Redoubt: 1 EQ ~20 km N of the summit ML -0.1; Z = 3.7 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454336 _______________________________________________ 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 - 11/30/2025
by logs--- via Avo_ops 04 Dec '25

04 Dec '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Thu Dec 4, 2025 00:00 (0000 UTC)-- "Significant" located earthquakes for November 30, 2025 (picking by Matt Haney): Spurr: 4; Katmai: 3; Redoubt: 2; Dutton: 1; Shishaldin: 1 ======================== Spurr (4 EQs): 1 EQ ~19 km S of the summit ML 1.1; Z = 5.8 km 1 EQ ~19 km S of the summit ML 0.6; Z = 4.9 km 1 deep low frequency EQ ~5 km SE of the summit ML -0.4; Z = 20.1 km 1 EQ ~5 km SSE of the summit ML -0.7; Z = 19.7 km Katmai (3 EQs): 1 moderately deep low frequency EQ ~2 km SSE of the summit ML 0.8; Z = 10.7 km 1 EQ ~2 km ESE of the summit ML 0.3; Z = 7.2 km 1 EQ ~2 km ESE of the summit ML 0.1; Z = 6.2 km Redoubt (2 EQs): 1 deep low frequency EQ ~3 km NNW of the summit ML -0.3; Z = 28.7 km 1 deep low frequency EQ ~6 km NW of the summit ML -0.3; Z = 33.6 km Dutton: 1 EQ ~4 km SSW of the summit ML 0.5; Z = 8.5 km Shishaldin: 1 low frequency EQ ~1 km SW of the summit ML 1.1; Z = 1.9 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454335 _______________________________________________ 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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