Posted by: cheryl searcy (csearcy@usgs.gov), Fri Dec 19, 2025 18:53 (1853 UTC)-- "Significant" located earthquakes for December 18, 2025: (picking by Scott Stihler) Spurr: 9; Gareloi: 4; Cleveland: 3; Great Sitkin: 2; Iliamna: 2; Katmai: 2; Martin: 2; Westdahl: 2; Makushin: 1; Okmok: 1; Redoubt: 1; Shishaldin: 1; Snowy: 1; Davidof: 1 ======================== Spurr (9 EQs): 1 EQ ~16 km SSE of the summit ML 1.2; Z = 6.3 km 1 EQ ~2 km N of the summit ML 0.8; Z = -2.3 km 1 EQ ~4 km NNW of the summit ML 0.3; Z = 1.2 km 1 EQ ~11 km S of the summit ML -0.0; Z = 5.2 km 1 EQ ~4 km NNW of the summit ML -0.0; Z = -0.4 km 1 EQ ~4 km NNW of the summit ML -0.1; Z = 0.7 km 1 low frequency EQ ~2 km ESE of the summit ML -0.2; Z = 9.5 km 1 low frequency EQ ~5 km NNE of the summit ML -0.3; Z = -3.2 km 1 EQ ~3 km N of the summit ML -0.5; Z = -0.3 km Gareloi (4 EQs): 1 EQ ~25 km WSW of the summit ML 1.2; Z = 8.8 km 1 EQ ~4 km S of the summit ML 0.8; Z = 11.4 km 1 EQ ~8 km SSE of the summit ML 0.8; Z = 16.1 km 1 EQ ~5 km W of the summit ML 0.7; Z = 18.1 km Cleveland (3 EQs): 1 EQ ~10 km E of the summit ML 1.6; Z = 10.3 km 1 EQ ~10 km SSE of the summit ML 1.1; Z = 8.1 km 1 EQ ~2 km SSE of the summit ML 0.7; Z = 3.0 km Great Sitkin (2 EQs): 1 low frequency EQ ~3 km SW of the summit ML 0.3; Z = 5.0 km 1 EQ ~4 km WNW of the summit ML 0.0; Z = 4.8 km Iliamna (2 EQs): 1 low frequency EQ ~3 km ENE of the summit ML -0.3; Z = 7.4 km 1 EQ ~3 km NNE of the summit ML -0.8; Z = 1.9 km Katmai (2 EQs): 1 EQ ~1 km SSE of the summit ML 0.1; Z = 3.7 km 1 EQ ~4 km NW of the summit ML -0.2; Z = 2.0 km Martin (2 EQs): 1 EQ ~28 km SSW of the summit ML 0.2; Z = 15.2 km 1 EQ ~2 km NE of the summit ML -0.2; Z = 0.9 km Westdahl (2 EQs): 1 EQ ~4 km NW of the summit ML 0.5; Z = 1.8 km 1 EQ ~5 km W of the summit ML 0.4; Z = 4.9 km Makushin: 1 EQ ~20 km E of the summit ML -0.2; Z = 7.4 km Okmok: 1 EQ ~10 km S of the center of caldera ML -0.1; Z = 25.4 km Redoubt: 1 EQ ~8 km NNE of the summit ML -0.3; Z = 6.0 km Shishaldin: 1 low frequency EQ ~0 km WNW of the summit ML 1.3; Z = -0.9 km Snowy: 1 EQ ~17 km NNW of the summit ML 0.0; Z = 8.3 km Davidof: 1 EQ ~3 km E of the summit ML 2.0; Z = 2.9 km Attachments: This message is posted in the AVO Logs at https://www.avo.alaska.edu/admin/logs/posts/show/454451 _______________________________________________ Avo_ops mailing list -- avo_ops@list.avo.alaska.edu To unsubscribe send an email to avo_ops-leave@list.avo.alaska.edu