Posted by: Matthew Haney (mhaney@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@list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave@list.avo.alaska.edu