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[AVO-OPS] AVO LOG- Seismic Summary - 11/24/2025
by logs--- via Avo_ops 26 Nov '25

26 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Wed Nov 26, 2025 02:18 (0218 UTC)-- "Significant" located earthquakes for November 24, 2025 (picking by Scott Stihler): Iliamna: 10; Shishaldin: 8; Katmai: 4; Spurr: 3; Aniakchak: 2; Cleveland: 1; Great Sitkin: 1; Martin: 1; Novarupta: 1; Redoubt: 1; Snowy: 1; Takawangha: 1; Trident: 1; Westdahl: 1; Wrangell: 1 ======================== Iliamna (10 EQs): 1 EQ ~18 km NNE of the summit ML 0.0; Z = 5.6 km 1 EQ ~1 km SE of the summit ML -0.5; Z = 3.4 km 1 EQ ~5 km NNE of the summit ML -0.5; Z = 5.0 km 1 EQ ~2 km NNE of the summit ML -0.5; Z = 3.0 km 1 EQ ~2 km NE of the summit ML -0.7; Z = -2.3 km 1 EQ ~2 km NNE of the summit ML -0.7; Z = 0.6 km 1 EQ ~2 km E of the summit ML -0.8; Z = 0.9 km 1 EQ ~4 km ENE of the summit ML -0.9; Z = 1.5 km 1 EQ ~3 km NNW of the summit ML -1.1; Z = 2.5 km 1 EQ ~3 km NNE of the summit ML -1.1; Z = 0.7 km Shishaldin (8 EQs): 1 EQ ~7 km WSW of the summit ML 1.5; Z = 14.2 km 1 low frequency EQ ~10 km SW of the summit ML 1.5; Z = 9.9 km 1 low frequency EQ ~4 km SW of the summit ML 1.4; Z = 2.6 km 1 EQ ~4 km NNE of the summit ML 1.2; Z = 11.9 km 1 EQ ~2 km W of the summit ML 1.2; Z = -0.7 km 1 low frequency EQ ~2 km WNW of the summit ML 1.0; Z = 0.8 km 1 low frequency EQ ~2 km W of the summit ML 1.0; Z = -0.2 km 1 EQ ~1 km W of the summit ML 0.9; Z = -0.8 km Katmai (4 EQs): 1 EQ ~16 km SSE of the summit ML 0.0; Z = 7.2 km 1 EQ ~2 km NNW of the summit ML -0.3; Z = 3.2 km 1 EQ ~2 km NW of the summit ML -0.3; Z = 3.0 km 1 EQ ~2 km NW of the summit ML -0.5; Z = 3.0 km Spurr (3 EQs): 1 EQ ~16 km SSW of the summit ML 1.8; Z = 4.5 km 1 EQ ~15 km SSW of the summit ML -0.1; Z = 4.6 km 1 EQ ~15 km SSW of the summit ML -0.3; Z = 4.6 km Aniakchak (2 EQs): 1 low frequency EQ ~4 km NW of the Vent Mountain ML -0.2; Z = 3.0 km 1 low frequency EQ ~8 km WSW of the Vent Mountain ML -0.6; Z = -0.3 km Cleveland: 1 EQ ~5 km ESE of the summit ML 1.6; Z = 5.3 km Great Sitkin: 1 low frequency EQ ~2 km WSW of the summit ML 1.4; Z = -1.8 km Martin: 1 EQ ~2 km SW of the summit ML -0.3; Z = 0.4 km Novarupta: 1 EQ ~2 km SE of the 1912 dome ML 0.4; Z = 4.7 km Redoubt: 1 EQ ~1 km WNW of the summit ML -1.0; Z = 1.8 km Snowy: 1 EQ ~4 km NNW of the summit ML -0.3; Z = 5.1 km Takawangha: 1 EQ ~15 km E of the summit ML 0.9; Z = 6.0 km Trident: 1 EQ ~2 km WNW of the summit ML -0.8; Z = 2.3 km Westdahl: 1 EQ ~4 km WNW of the summit ML 1.5; Z = 2.0 km Wrangell: 1 EQ ~10 km SSW of the summit ML -0.1; Z = 5.4 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454281 _______________________________________________ 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- 25 Nov 2025 satellite report
by Dave Schneider via Avo_ops 25 Nov '25

25 Nov '25

Associated Keywords: Cloud cover: cloudy; partly cloudy; Associated Keywords: Cloud cover: cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62886 : cleveland_cles-20251125T031500Z.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: 25 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 LOG- Seismic Summary - 11/23/2025
by logs--- via Avo_ops 25 Nov '25

25 Nov '25

Posted by: Jenny Nakai (jnakai(a)usgs.gov), Tue Nov 25, 2025 18:08 (1808 UTC)-- "Significant" located earthquakes for November 23, 2025 (picking by Jenny Nakai): Spurr: 13; Iliamna: 10; Shishaldin: 8; Katmai: 3; Redoubt: 3; Snowy: 2; Akutan: 1; Makushin: 1; Martin: 1 ======================== Spurr (13 EQs): 1 EQ ~27 km NE of the summit ML 0.6; Z = 5.4 km 1 EQ ~14 km S of the summit ML 0.2; Z = 5.6 km 1 EQ ~4 km N of the summit ML -0.1; Z = 7.8 km 1 EQ ~6 km WSW of the summit ML -0.2; Z = 4.5 km 1 low frequency EQ ~8 km ENE of the summit ML -0.4; Z = 3.3 km 1 low frequency EQ ~4 km NNW of the summit ML -0.4; Z = 2.0 km 1 low frequency EQ ~3 km ESE of the summit ML -0.4; Z = 3.0 km 1 low frequency EQ ~4 km N of the summit ML -0.4; Z = 2.0 km 1 low frequency EQ ~3 km NNE of the summit ML -0.5; Z = -2.3 km 1 EQ ~5 km ENE of the summit ML -0.7; Z = -3.0 km 1 low frequency EQ ~2 km N of the summit ML -0.7; Z = -2.6 km 1 EQ ~4 km W of the summit ML -0.8; Z = -3.2 km 1 low frequency EQ ~0 km NNE of the summit ML -1.0; Z = 1.7 km Iliamna (10 EQs): 1 EQ ~14 km NE of the summit ML 0.1; Z = 14.6 km 1 low frequency EQ ~3 km NNW of the summit ML -0.5; Z = 1.6 km 1 EQ ~8 km E of the summit ML -0.6; Z = 13.8 km 1 EQ ~4 km ENE of the summit ML -0.7; Z = 4.2 km 1 EQ ~2 km S of the summit ML -0.8; Z = -2.9 km 1 low frequency EQ ~4 km SW of the summit ML -0.8; Z = 0.1 km 1 EQ ~2 km SSW of the summit ML -0.9; Z = -2.1 km 1 EQ ~3 km NE of the summit ML -0.9; Z = 3.6 km 1 EQ ~4 km S of the summit ML -1.1; Z = 0.9 km 1 EQ ~3 km SSW of the summit ML -1.4; Z = -0.2 km Shishaldin (8 EQs): 1 moderately deep low frequency EQ ~15 km S of the summit ML 1.8; Z = 15.3 km 1 EQ ~9 km S of the summit ML 1.6; Z = 5.9 km 1 EQ ~6 km WSW of the summit ML 1.5; Z = 5.4 km 1 moderately deep low frequency EQ ~3 km S of the summit ML 1.2; Z = 10.8 km 1 EQ ~1 km NNW of the summit ML 1.0; Z = 0.8 km 1 low frequency EQ ~1 km SW of the summit ML 0.9; Z = 1.7 km 1 low frequency EQ ~3 km S of the summit ML 0.8; Z = 5.9 km 1 low frequency EQ ~1 km SSE of the summit ML 0.7; Z = 3.4 km Katmai (3 EQs): 1 moderately deep low frequency EQ ~6 km NE of the summit ML 0.6; Z = 16.6 km 1 EQ ~6 km NNE of the summit ML -0.1; Z = 4.8 km 1 EQ ~3 km NW of the summit ML -0.3; Z = 3.1 km Redoubt (3 EQs): 1 low frequency EQ ~2 km WNW of the summit ML -0.9; Z = 0.9 km 1 low frequency EQ ~1 km WNW of the summit ML -1.2; Z = 0.7 km 1 low frequency EQ ~2 km N of the summit ML -1.2; Z = 0.4 km Snowy (2 EQs): 1 EQ ~14 km NW of the summit ML 0.2; Z = 3.0 km 1 EQ ~10 km ENE of the summit ML 0.0; Z = 6.1 km Akutan: 1 EQ ~4 km ESE of the summit ML 0.0; Z = 3.1 km Makushin: 1 EQ ~27 km ENE of the summit ML 0.5; Z = 10.0 km Martin: 1 EQ ~1 km NNW of the summit ML -0.4; Z = 2.3 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454278 _______________________________________________ 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- 24 Nov 2025 satellite report
by Dave Schneider via Avo_ops 24 Nov '25

24 Nov '25

Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62884 : gsitikin_Orbit 63-ASC_20251021-1123.gif Associated Keywords: Cloud cover: cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62883 : shishaldin_islz-20251124T013000Z.jpg 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: 24 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 LOG- Seismic Summary - 11/22/2025
by logs--- via Avo_ops 24 Nov '25

24 Nov '25

Posted by: Matthew Haney (mhaney(a)usgs.gov), Mon Nov 24, 2025 16:56 (1656 UTC)-- "Significant" located earthquakes for November 22, 2025 (picking by Scott Stihler): Iliamna: 3; Snowy: 2; Spurr: 2; Trident: 2; Edgecumbe: 1; Cleveland: 1; Griggs: 1; Katmai: 1; Mageik: 1; Redoubt: 1; Shishaldin: 1; Takawangha: 1; Wrangell: 1 ======================== Iliamna (3 EQs): 1 EQ ~1 km NE of the summit ML -0.4; Z = -1.4 km 1 EQ ~4 km SSE of the summit ML -0.6; Z = 1.1 km 1 low frequency EQ ~4 km NE of the summit ML -0.7; Z = 1.2 km Snowy (2 EQs): 1 EQ ~8 km NW of the summit ML -0.1; Z = 4.3 km 1 EQ ~10 km NNW of the summit ML -0.4; Z = 7.0 km Spurr (2 EQs): 1 deep low frequency EQ ~6 km SE of the summit ML 0.1; Z = 29.1 km 1 EQ ~15 km S of the summit ML -0.8; Z = 5.3 km Trident (2 EQs): 1 deep low frequency EQ ~1 km ENE of the summit ML -0.1; Z = 25.7 km 1 EQ ~1 km W of the summit ML -0.6; Z = 4.3 km Edgecumbe: 1 EQ ~2 km NE of the summit ML 0.7; Z = 8.4 km Cleveland: 1 EQ ~6 km ESE of the summit ML 1.1; Z = -0.9 km Griggs: 1 EQ ~14 km NE of the summit ML -0.2; Z = 4.6 km Katmai: 1 EQ ~3 km SSW of the summit ML -0.4; Z = 1.5 km Mageik: 1 EQ ~3 km WNW of the summit ML -0.6; Z = 3.2 km Redoubt: 1 EQ ~3 km ENE of the summit ML -1.1; Z = 7.1 km Shishaldin: 1 EQ ~0 km WNW of the summit ML 1.1; Z = -0.6 km Takawangha: 1 EQ ~3 km ENE of the summit ML 0.4; Z = 3.4 km Wrangell: 1 low frequency EQ ~8 km NNE of the summit ML 0.7; Z = 4.6 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454269 _______________________________________________ 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- 23 Nov 2025 satellite report
by Hannah Dietterich via Avo_ops 23 Nov '25

23 Nov '25

Associated Keywords: Cloud cover: cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62879 : shishaldin_brpk-20251122T223200Z.jpg Associated Keywords: Volcanic clouds: steam/water; Cloud cover: partly cloudy; Associated Images: https://www.avo.alaska.edu/admin/rsdb/files/show/62880 : cleveland_clcl-20251123T031100Z.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62881 : 2025-11-22-00_00_2025-11-22-23_59_Sentinel-2_L1C_SWIR.jpg https://www.avo.alaska.edu/admin/rsdb/files/show/62882 : Screenshot 2025-11-23 at 10.46.07 AM.png Associated Keywords: Volcanic clouds: steam/water; Elevated surface temperatures: moderately elevated; 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: 03 Nov 2025 19:12 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 - 11/21/2025
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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