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

[AVO-OPS] AVO LOG- Seismic Summary - 11/21/2025
by logs--- via Avo_ops 23 Nov '25

23 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Sun Nov 23, 2025 17:36 (1736 UTC)-- "Significant" located earthquakes for November 21, 2025 (picking by Scott Stihler): Iliamna: 4; Shishaldin: 3; Aniakchak: 2; Martin: 2; Novarupta: 2; Augustine: 1; Katmai: 1 ======================== Iliamna (4 EQs): 1 EQ ~1 km ESE of the summit ML -0.1; Z = -2.2 km 1 EQ ~11 km SE of the summit ML -0.6; Z = 4.8 km 1 EQ ~4 km NNE of the summit ML -0.8; Z = 0.8 km 1 EQ ~2 km SE of the summit ML -1.0; Z = 1.9 km Shishaldin (3 EQs): 1 low frequency EQ ~13 km W of the summit ML 1.8; Z = 8.6 km 1 EQ ~3 km WSW of the summit ML 1.3; Z = 9.4 km 1 low frequency EQ ~1 km SW of the summit ML 1.2; Z = -2.3 km Aniakchak (2 EQs): 1 moderately deep low frequency EQ ~13 km NE of the Vent Mountain ML 1.4; Z = 11.8 km 1 moderately deep low frequency EQ ~5 km ENE of the Vent Mountain ML 1.1; Z = 10.1 km Martin (2 EQs): 1 EQ ~1 km WNW of the summit ML 0.3; Z = 1.9 km 1 EQ ~1 km NW of the summit ML -0.0; Z = 2.5 km Novarupta (2 EQs): 1 EQ ~2 km S of the 1912 dome ML 0.5; Z = 3.6 km 1 EQ ~3 km SSE of the 1912 dome ML -0.2; Z = 2.7 km Augustine: 1 EQ ~0 km W of the summit ML -0.4; Z = -0.2 km Katmai: 1 EQ ~3 km NW of the summit ML 0.9; Z = 3.5 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454262 _______________________________________________ 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- 22 Nov 2025 satellite report
by Hannah Dietterich via Avo_ops 22 Nov '25

22 Nov '25

Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62874 : 375mAKKN-MIR-d20251122t1313986881Z-annotated.png https://www.avo.alaska.edu/admin/rsdb/files/show/62875 : cira-rammb-slider---goes-18---full_disk---eumetsat_ash-opacity-100---20251122145022.png https://www.avo.alaska.edu/admin/rsdb/files/show/62876 : 2025-11-21-00_00_2025-11-21-23_59_Sentinel-2_L1C_True_color.jpg Associated Keywords: Volcanic clouds: ambiguous; Cloud cover: cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62877 : shishaldin_brpk-20251121T223200Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62878 : 2025-11-21-00_00_2025-11-21-23_59_Sentinel-2_L1C_Highlight_Optimized_Natural_Color.jpg Associated Keywords: Volcanic clouds: steam/water; Cloud cover: cloudy; partly cloudy; There was a decent daytime MIR signal at Martin that was probably cloud or steam related. No other looks to check though (CAHL camera is blurry and no high-res satellite 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: 22 Nov 2025 19:31 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- December 9, AVO 2025 Field Season Wrap Up Meeting 9am-2pm AKST
by logs--- via Avo_ops 21 Nov '25

21 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Fri Nov 21, 2025 22:36 (2236 UTC)-- Please find the draft agenda for the Field Season Wrap Up Meeting happening from 9am-2pm AKST on Tuesday Dec. 9 attached as both word doc and PDF. There will be a 1 hour lunch break from noon-1pm and other short breaks. I've previously sent out a Teams link, so everyone should have it in their calendars, but the link is included below as well. A limited number of details still need to be worked out. But this is close to the final agenda and so Max, David, Scott, and I wanted to send it out. If you have any questions please email either myself (mhaney(a)usgs.gov) or Max Enders (menders(a)usgs.gov). Teams link to meeting: https://teams.microsoft.com/meet/2785841319339?p=6ZGcaokr7c6sTTCWxR Attachments: https://www.avo.alaska.edu/admin/logs/files/show/163656 2025_Draft_Field_Season_Wrap_Up_Agenda_20251121.docx https://www.avo.alaska.edu/admin/logs/files/show/163657 2025_Draft_Field_Season_Wrap_Up_Agenda_20251121.pdf This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454253 _______________________________________________ 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 End of Field Season Meeting: Dec. 9, 2025
by Haney, Matt via Avo_ops 21 Nov '25

21 Nov '25

This hybrid meeting has been rescheduled to be on Dec. 9, 9:00am-2:00pm AKST with a lunch break noon-1pm. There will be other short breaks during the meeting. ________________________________________________________________________________ Microsoft Teams Need help?<https://aka.ms/JoinTeamsMeeting?omkt=en-US> Join the meeting now<https://teams.microsoft.com/l/meetup-join/19%3ameeting_NzJlN2YzOWEtZGU3Ny00…> Meeting ID: 278 584 131 933 9 Passcode: WN2zK7EM ________________________________ Dial in by phone +1 202-640-1187,,406716542#<tel:+12026401187,,406716542#> United States, Washington (833) 436-1163,,406716542#<tel:8334361163,,406716542#> United States (Toll-free) Find a local number<https://dialin.teams.microsoft.com/4c997179-2249-4e53-b877-e71d83c10c7a?id=…> Phone conference ID: 406 716 542# For organizers: Meeting options<https://teams.microsoft.com/meetingOptions/?organizerId=6f26c2dc-9b5d-4997-…> | Reset dial-in PIN<https://dialin.teams.microsoft.com/usp/pstnconferencing> ________________________________________________________________________________ _______________________________________________ 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- Chris Waythomas Acting AVO SIC Nov. 22-30
by logs--- via Avo_ops 21 Nov '25

21 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Fri Nov 21, 2025 22:22 (2222 UTC)-- I'll be away starting very early in the morning tomorrow (Nov. 22) and won't be back to Anchorage until Nov. 30. Chris Waythomas will be Acting AVO SIC while I'm gone. Thanks Chris! Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454250 _______________________________________________ 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 - 11/20/2025
by logs--- via Avo_ops 21 Nov '25

21 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Fri Nov 21, 2025 19:59 (1959 UTC)-- "Significant" located earthquakes for November 20, 2025 (picking by Scott Stihler): Great Sitkin: 2; Shishaldin: 2; Kliuchef: 1; Cleveland: 1; Iliamna: 1; Katmai: 1; Novarupta: 1; Okmok: 1; Snowy: 1; Spurr: 1; Wrangell: 1 ======================== Great Sitkin (2 EQs): 1 low frequency EQ ~4 km WNW of the summit ML 1.6; Z = 8.7 km 1 EQ ~2 km SSW of the summit ML 1.1; Z = 9.7 km Shishaldin (2 EQs): 1 deep low frequency EQ ~7 km ESE of the summit ML 1.4; Z = 24.8 km 1 EQ ~1 km SW of the summit ML 1.1; Z = -0.7 km Kliuchef: 1 EQ ~2 km NNE of the summit ML 0.8; Z = 3.5 km Cleveland: 1 EQ ~19 km ENE of the summit ML 1.5; Z = 9.0 km Iliamna: 1 EQ ~3 km NNE of the summit ML -0.3; Z = 2.0 km Katmai: 1 EQ ~2 km NW of the summit ML 0.9; Z = 3.0 km Novarupta: 1 EQ ~2 km S of the 1912 dome ML 0.6; Z = 3.4 km Okmok: 1 EQ ~5 km NE of the center of caldera ML 0.4; Z = 8.8 km Snowy: 1 EQ ~11 km NNW of the summit ML 0.4; Z = 5.9 km Spurr: 1 EQ ~8 km S of the summit ML 0.1; Z = 5.8 km Wrangell: 1 EQ ~8 km S of the summit ML -0.0; Z = 4.9 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454248 _______________________________________________ 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- 21 Nov 2025 satellite report
by Hannah Dietterich via Avo_ops 21 Nov '25

21 Nov '25

Associated Keywords: Cloud cover: cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62873 : shishaldin_brpk-20251120T233200Z.jpg 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: 21 Nov 2025 18:31 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- 20 Nov 2025 satellite report
by Hannah Dietterich via Avo_ops 20 Nov '25

20 Nov '25

Associated Keywords: Cloud cover: cloudy; Associated Keywords: Cloud cover: cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62871 : 375mAKCL-MIR-d20251120t1321905815Z-annotated.png Associated Keywords: Elevated surface temperatures: barely 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: 20 Nov 2025 19:31 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 - 11/19/2025
by logs--- via Avo_ops 20 Nov '25

20 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Thu Nov 20, 2025 18:23 (1823 UTC)-- "Significant" located earthquakes for November 19, 2025 (picking by Scott Stihler): Iliamna: 4; Shishaldin: 3; Spurr: 3; Cleveland: 2; Katmai: 2; Martin: 2; Steller: 2; Mageik: 1; Trident: 1 ======================== Iliamna (4 EQs): 1 EQ ~1 km SW of the summit ML -0.5; Z = 4.7 km 1 EQ ~3 km NE of the summit ML -0.6; Z = 1.5 km 1 low frequency EQ ~2 km N of the summit ML -0.6; Z = 0.2 km 1 EQ ~1 km NNE of the summit ML -0.8; Z = -2.2 km Shishaldin (3 EQs): 1 EQ ~0 km SSW of the summit ML 0.9; Z = -1.0 km 1 low frequency EQ ~2 km WNW of the summit ML 0.9; Z = 0.5 km 1 EQ ~1 km SW of the summit ML 0.5; Z = -2.9 km Spurr (3 EQs): 1 EQ ~14 km S of the summit ML 0.2; Z = 6.3 km 1 EQ ~13 km S of the summit ML -0.0; Z = 6.6 km 1 EQ ~8 km WSW of the summit ML -0.1; Z = 3.3 km Cleveland (2 EQs): 1 EQ ~3 km SE of the summit ML 1.1; Z = 5.9 km 1 EQ ~4 km SE of the summit ML 1.0; Z = 4.2 km Katmai (2 EQs): 1 EQ ~3 km NW of the summit ML -0.4; Z = 3.7 km 1 EQ ~3 km WNW of the summit ML -0.4; Z = 2.6 km Martin (2 EQs): 1 EQ ~1 km NW of the summit ML 0.9; Z = 2.0 km 1 EQ ~0 km NNW of the summit ML -0.7; Z = 1.4 km Steller (2 EQs): 1 EQ ~1 km NNE of the summit ML 1.2; Z = 4.2 km 1 EQ ~6 km SW of the summit ML 0.4; Z = 4.2 km Mageik: 1 EQ ~1 km SSW of the summit ML -0.4; Z = 2.6 km Trident: 1 EQ ~3 km WNW of the summit ML 0.5; Z = 3.5 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454238 _______________________________________________ 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 - 11/18/2025
by logs--- via Avo_ops 19 Nov '25

19 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Wed Nov 19, 2025 21:55 (2155 UTC)-- "Significant" located earthquakes for November 18, 2025 (picking by Scott Stihler): Iliamna: 7; Augustine: 2; Cleveland: 2; Katmai: 2; Mageik: 2; Okmok: 2; Shishaldin: 2; Veniaminof: 2; Martin: 1; Snowy: 1; Spurr: 1; Trident: 1 ======================== Iliamna (7 EQs): 1 EQ ~3 km E of the summit ML -0.3; Z = 0.8 km 1 EQ ~2 km NNE of the summit ML -0.6; Z = -0.0 km 1 EQ ~2 km S of the summit ML -0.6; Z = 1.2 km 1 EQ ~4 km N of the summit ML -0.7; Z = 3.5 km 1 EQ ~1 km NNE of the summit ML -0.7; Z = -0.9 km 1 EQ ~2 km SW of the summit ML -0.8; Z = -0.2 km 1 EQ ~2 km S of the summit ML -0.8; Z = 1.5 km Augustine (2 EQs): 1 EQ ~1 km E of the summit ML -0.3; Z = 3.4 km 1 EQ ~3 km WSW of the summit ML -0.5; Z = 0.9 km Cleveland (2 EQs): 1 EQ ~5 km ESE of the summit ML 2.1; Z = 3.0 km 1 EQ ~5 km ESE of the summit ML 1.4; Z = 5.5 km Katmai (2 EQs): 1 EQ ~2 km NW of the summit ML 0.0; Z = 3.1 km 1 EQ ~2 km WNW of the summit ML -0.2; Z = 2.6 km Mageik (2 EQs): 1 EQ ~2 km SW of the summit ML -0.3; Z = 1.4 km 1 EQ ~1 km SW of the summit ML -0.4; Z = 1.8 km Okmok (2 EQs): 1 EQ ~10 km S of the center of caldera ML 1.0; Z = 7.5 km 1 EQ ~9 km S of the center of caldera ML 0.6; Z = 7.7 km Shishaldin (2 EQs): 1 low frequency EQ ~2 km SSW of the summit ML 1.3; Z = 4.1 km 1 low frequency EQ ~2 km WSW of the summit ML 0.9; Z = 4.2 km Veniaminof (2 EQs): 1 deep low frequency EQ ~4 km W of the intracaldera cone ML 1.4; Z = 22.4 km 1 low frequency EQ ~9 km NE of the intracaldera cone ML 0.2; Z = 4.5 km Martin: 1 EQ ~0 km NW of the summit ML -0.2; Z = 1.7 km Snowy: 1 EQ ~6 km NE of the summit ML 0.1; Z = 5.5 km Spurr: 1 deep low frequency EQ ~5 km ESE of the summit ML -0.1; Z = 26.6 km Trident: 1 EQ ~1 km W of the summit ML -0.9; Z = 4.1 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454235 _______________________________________________ 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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