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[AVO-OPS] AVO RSDB- 5 Jan 2026 satellite report
by Tim Orr via Avo_ops 05 Jan '26

05 Jan '26

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: 05 Jan 2026 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 - 1/03/2026
by logs--- via Avo_ops 05 Jan '26

05 Jan '26

Posted by: cheryl searcy (csearcy(a)usgs.gov), Mon Jan 5, 2026 18:17 (1817 UTC)-- "Significant" located earthquakes for January 3, 2026: (picking by Scott Stihler) Iliamna: 13; Spurr: 7; Katmai: 3; Makushin: 3; Martin: 2; Okmok: 2; Redoubt: 2; Cleveland: 1; Gareloi: 1; Korovin: 1; Mageik: 1; Novarupta: 1; Fourpeaked: 1 ======================== Iliamna (13 EQs): 1 EQ ~2 km NNE of the summit ML -0.6; Z = 1.3 km 1 EQ ~2 km NNE of the summit ML -0.6; Z = -1.6 km 1 EQ ~3 km SSW of the summit ML -0.7; Z = 0.8 km 1 EQ ~4 km ENE of the summit ML -0.8; Z = 2.5 km 1 EQ ~4 km S of the summit ML -0.8; Z = 0.8 km 1 EQ ~2 km W of the summit ML -0.8; Z = 5.6 km 1 EQ ~4 km NNE of the summit ML -0.8; Z = 0.7 km 1 EQ ~3 km NNE of the summit ML -0.9; Z = -1.4 km 1 EQ ~4 km SSW of the summit ML -0.9; Z = 4.1 km 1 EQ ~2 km NNE of the summit ML -0.9; Z = -1.9 km 1 EQ ~2 km NNE of the summit ML -1.1; Z = -2.6 km 1 EQ ~3 km NNE of the summit ML -1.1; Z = 1.1 km 1 EQ ~4 km NNE of the summit ML -1.2; Z = 1.0 km Spurr (7 EQs): 1 EQ ~29 km S of the summit ML 0.4; Z = 13.4 km 1 EQ ~29 km S of the summit ML 0.3; Z = 13.5 km 1 EQ ~7 km WSW of the summit ML -0.0; Z = -2.0 km 1 EQ ~6 km SW of the summit ML -0.4; Z = 10.9 km 1 EQ ~17 km S of the summit ML -0.5; Z = -2.0 km 1 EQ ~2 km NE of the summit ML -0.7; Z = 1.7 km 1 EQ ~16 km SSW of the summit ML -0.8; Z = 1.1 km Katmai (3 EQs): 1 EQ ~2 km WNW of the summit ML -0.3; Z = 3.3 km 1 EQ ~3 km NNW of the summit ML -0.4; Z = 3.0 km 1 EQ ~3 km WSW of the summit ML -0.5; Z = 3.6 km Makushin (3 EQs): 1 EQ ~0 km SSW of the summit ML -0.1; Z = 5.6 km 1 EQ ~20 km E of the summit ML -0.2; Z = 7.4 km 1 EQ ~0 km S of the summit ML -0.3; Z = 5.4 km Martin (2 EQs): 1 EQ ~3 km ESE of the summit ML -0.4; Z = 1.6 km 1 EQ ~0 km E of the summit ML -0.5; Z = 0.3 km Okmok (2 EQs): 1 EQ ~6 km SW of the center of caldera ML 0.8; Z = 2.7 km 1 EQ ~5 km SW of the center of caldera ML -0.2; Z = -0.2 km Redoubt (2 EQs): 1 EQ ~6 km NNE of the summit ML -0.3; Z = 5.0 km 1 EQ ~13 km NE of the summit ML -0.4; Z = 10.4 km Cleveland: 1 EQ ~7 km S of the summit ML 1.1; Z = 6.9 km Gareloi: 1 EQ ~15 km ESE of the summit ML 1.2; Z = 22.5 km Korovin: 1 EQ ~3 km NNE of the summit ML 0.2; Z = 6.5 km Mageik: 1 EQ ~0 km NNW of the summit ML 0.1; Z = 2.5 km Novarupta: 1 EQ ~4 km SSW of the 1912 dome ML -0.6; Z = 3.0 km Fourpeaked: 1 EQ ~13 km W of the summit ML 0.3; Z = 6.5 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454572 _______________________________________________ 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 Jan 2026 satellite report
by Tim Orr via Avo_ops 04 Jan '26

04 Jan '26

Associated Keywords: Cloud cover: cloudy; Associated Keywords: Volcanic clouds: steam/water; Cloud cover: partly 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: 04 Jan 2026 14:49 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- 3 Jan 2026 satellite report
by Tim Orr via Avo_ops 03 Jan '26

03 Jan '26

Associated Keywords: Elevated surface temperatures: barely elevated; Cloud cover: cloudy; Associated Keywords: Cloud cover: cloudy; *** Atka (Korovin): Thermal anomaly visible again in VIIRS mid-IR images overnight. _____________________________ 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: 03 Jan 2026 15:29 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 - 1/01/2026
by logs--- via Avo_ops 02 Jan '26

02 Jan '26

Posted by: cheryl searcy (csearcy(a)usgs.gov), Fri Jan 2, 2026 19:52 (1952 UTC)-- "Significant" located earthquakes for January 1, 2026: (picking by Scott Stihler) Iliamna: 4; Makushin: 3; Spurr: 3; Redoubt: 2; Edgecumbe: 1; Korovin: 1; Novarupta: 1 ======================== Iliamna (4 EQs): 1 low frequency EQ ~4 km WSW of the summit ML -0.7; Z = 1.4 km 1 EQ ~3 km NNE of the summit ML -0.7; Z = 0.7 km 1 EQ ~4 km SE of the summit ML -0.8; Z = 2.0 km 1 EQ ~3 km S of the summit ML -1.0; Z = 2.9 km Makushin (3 EQs): 1 EQ ~20 km E of the summit ML 1.8; Z = 8.3 km 1 EQ ~1 km W of the summit ML 0.0; Z = 4.6 km 1 EQ ~20 km E of the summit ML -0.0; Z = 7.8 km Spurr (3 EQs): 1 EQ ~12 km S of the summit ML 1.2; Z = 6.5 km 1 EQ ~17 km SSW of the summit ML -0.3; Z = 4.9 km 1 EQ ~9 km S of the summit ML -0.8; Z = 4.7 km Redoubt (2 EQs): 1 EQ ~17 km ENE of the summit ML 0.5; Z = 13.5 km 1 EQ ~19 km NNW of the summit ML -0.9; Z = 8.5 km Edgecumbe: 1 EQ ~3 km ENE of the summit ML 1.2; Z = 8.8 km Korovin: 1 low frequency EQ ~3 km E of the summit ML 0.4; Z = 3.8 km Novarupta: 1 EQ ~5 km SSW of the 1912 dome ML -0.6; Z = 2.8 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454555 _______________________________________________ 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- 2 Jan 2026 satellite report
by Tim Orr via Avo_ops 02 Jan '26

02 Jan '26

Associated Keywords: Cloud cover: cloudy; Associated Keywords: Volcanic clouds: steam/water; Cloud cover: cloudy; partly 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: 02 Jan 2026 14:57 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 - 12/31/2025
by logs--- via Avo_ops 01 Jan '26

01 Jan '26

Posted by: cheryl searcy (csearcy(a)usgs.gov), Thu Jan 1, 2026 21:51 (2151 UTC)-- "Significant" located earthquakes for December 31, 2025: (picking by Scott Stihler) Makushin: 6; Martin: 4; Great Sitkin: 2; Iliamna: 2; Korovin: 2; Cleveland: 1; Okmok: 1; Redoubt: 1; Spurr: 1; Tanaga: 1; Westdahl: 1 ======================== Makushin (6 EQs): 1 EQ ~18 km ESE of the summit ML -0.0; Z = 8.4 km 1 EQ ~20 km E of the summit ML -0.3; Z = 7.3 km 1 EQ ~22 km S of the summit ML -0.4; Z = 12.8 km 1 EQ ~19 km E of the summit ML -0.5; Z = 7.4 km 1 EQ ~19 km E of the summit ML -0.6; Z = 6.6 km 1 EQ ~18 km E of the summit ML -0.6; Z = 9.0 km Martin (4 EQs): 1 EQ ~2 km WSW of the summit ML -0.0; Z = 1.1 km 1 EQ ~2 km ESE of the summit ML -0.1; Z = 1.6 km 1 EQ ~3 km ENE of the summit ML -0.3; Z = 5.9 km 1 EQ ~1 km N of the summit ML -0.5; Z = 0.4 km Great Sitkin (2 EQs): 1 EQ ~4 km NW of the summit ML 0.9; Z = 4.0 km 1 EQ ~5 km WNW of the summit ML 0.8; Z = 1.9 km Iliamna (2 EQs): 1 EQ ~10 km ESE of the summit ML -0.3; Z = 3.1 km 1 EQ ~1 km WSW of the summit ML -0.7; Z = 6.9 km Korovin (2 EQs): 1 low frequency EQ ~5 km NNW of the summit ML 2.3; Z = 4.4 km 1 low frequency EQ ~3 km WNW of the summit ML 1.1; Z = 2.0 km Cleveland: 1 EQ ~7 km SE of the summit ML 1.5; Z = 6.2 km Okmok: 1 EQ ~9 km SW of the center of caldera ML -0.2; Z = 7.6 km Redoubt: 1 deep low frequency EQ ~1 km N of the summit ML -0.1; Z = 29.8 km Spurr: 1 EQ ~2 km N of the summit ML -0.1; Z = 0.7 km Tanaga: 1 EQ ~15 km S of the summit ML 2.2; Z = 12.1 km Westdahl: 1 EQ ~9 km NNE of the summit ML 1.0; Z = 8.4 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454549 _______________________________________________ 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- 1 Jan 2026 satellite report
by Tim Orr via Avo_ops 01 Jan '26

01 Jan '26

Associated Keywords: Elevated surface temperatures: barely elevated; Cloud cover: cloudy; partly cloudy; mostly clear; Associated Keywords: Volcanic clouds: steam/water; Cloud cover: cloudy; partly cloudy; *** Atka (Korovin): Slightly elevated temps at the summit of Korovin in clear VIIRs mid-IR views overnight, like what was reported a few days ago. Cleveland: Very weak thermal anomaly at Cleveland seen through light cloud cover in VIIRS mid-IR images overnight. ______________________ 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: 01 Jan 2026 15:45 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- 31 Dec 2025 satellite report
by Tim Orr via Avo_ops 31 Dec '25

31 Dec '25

Associated Keywords: Elevated surface temperatures: barely elevated; Cloud cover: cloudy; partly cloudy; Associated Keywords: Volcanic clouds: steam/water; Cloud cover: mostly clear; *** Cleveland (GREEN/NORMAL): Fairly clear conditions – moderately elevated surfaces temps seen in VIIRS mid-IR imagery throughout the past 24 hours. The typical weak gas plume was seen in clear webcam views. _____________________ 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: 31 Dec 2025 14:45 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 - 12/30/2025
by logs--- via Avo_ops 31 Dec '25

31 Dec '25

Posted by: cheryl searcy (csearcy(a)usgs.gov), Wed Dec 31, 2025 17:59 (1759 UTC)-- "Significant" located earthquakes for December 30, 2025: (picking by Scott Stihler) Spurr: 6; Iliamna: 4; Westdahl: 4; Martin: 3; Katmai: 2; Akutan: 1; Cleveland: 1; Great Sitkin: 1; Griggs: 1; Makushin: 1 ======================== Spurr (6 EQs): 1 EQ ~4 km WNW of the summit ML 0.8; Z = -2.3 km 1 EQ ~11 km S of the summit ML -0.2; Z = 4.0 km 1 EQ ~11 km S of the summit ML -0.3; Z = 4.2 km 1 EQ ~6 km W of the summit ML -0.3; Z = 2.6 km 1 EQ ~8 km S of the summit ML -0.3; Z = 4.8 km 1 EQ ~14 km S of the summit ML -1.0; Z = 5.5 km Iliamna (4 EQs): 1 EQ ~2 km NNE of the summit ML -0.5; Z = 0.4 km 1 EQ ~3 km SSE of the summit ML -0.6; Z = 0.1 km 1 low frequency EQ ~4 km NNE of the summit ML -0.6; Z = 1.2 km 1 EQ ~3 km SSW of the summit ML -0.8; Z = 2.4 km Westdahl (4 EQs): 1 EQ ~11 km ENE of the summit ML 1.8; Z = 9.6 km 1 EQ ~13 km ENE of the summit ML 1.2; Z = 6.3 km 1 EQ ~13 km ENE of the summit ML 1.2; Z = 11.4 km 1 EQ ~11 km ENE of the summit ML 1.2; Z = 9.0 km Martin (3 EQs): 1 EQ ~8 km S of the summit ML -0.1; Z = 1.5 km 1 EQ ~0 km NNE of the summit ML -0.4; Z = 2.3 km 1 EQ ~1 km WSW of the summit ML -0.5; Z = -0.0 km Katmai (2 EQs): 1 EQ ~6 km ESE of the summit ML -0.1; Z = 5.3 km 1 EQ ~3 km NW of the summit ML -0.2; Z = 3.2 km Akutan: 1 EQ ~1 km NNW of the summit ML 0.4; Z = 2.6 km Cleveland: 1 EQ ~6 km SE of the summit ML 1.1; Z = 8.8 km Great Sitkin: 1 EQ ~3 km W of the summit ML 0.3; Z = -1.8 km Griggs: 1 low frequency EQ ~6 km E of the summit ML 0.3; Z = 6.1 km Makushin: 1 EQ ~16 km E of the summit ML -0.3; Z = 5.4 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454540 _______________________________________________ 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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