Posted by: cheryl searcy (csearcy@usgs.gov), Tue Dec 30, 2025 18:43 (1843 UTC)
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"Significant" located earthquakes for December 29, 2025: Picking by Scott Stihler)

Iliamna: 6; Katmai: 4; Makushin: 4; Martin: 2; Okmok: 2; Takawangha: 2; Gareloi: 1; Redoubt: 1; Spurr: 1

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Iliamna (6 EQs):
1 EQ ~1 km E of the summit
ML -0.3; Z = 0.7 km

1 EQ ~2 km N of the summit
ML -0.5; Z = 0.4 km

1 EQ ~2 km S of the summit
ML -0.6; Z = 2.0 km

1 EQ ~2 km SE of the summit
ML -0.6; Z = 1.1 km

1 EQ ~2 km E of the summit
ML -0.7; Z = 3.3 km

1 EQ ~3 km SSW of the summit
ML -0.7; Z = -1.9 km


Katmai (4 EQs):
1 EQ ~7 km ENE of the summit
ML 1.0; Z = 5.2 km

1 EQ ~7 km ENE of the summit
ML 0.7; Z = 4.9 km

1 EQ ~3 km NW of the summit
ML -0.0; Z = 3.1 km

1 EQ ~3 km WNW of the summit
ML -0.6; Z = 3.0 km


Makushin (4 EQs):
1 EQ ~20 km E of the summit
ML 0.5; Z = 8.2 km

1 EQ ~20 km S of the summit
ML 0.4; Z = 10.5 km

1 EQ ~20 km E of the summit
ML 0.4; Z = 8.2 km

1 EQ ~5 km NE of the summit
ML 0.0; Z = 4.4 km


Martin (2 EQs):
1 EQ ~0 km N of the summit
ML -0.1; Z = 0.8 km

1 EQ ~0 km SSE of the summit
ML -0.4; Z = 1.3 km


Okmok (2 EQs):
1 EQ ~5 km SW of the center of caldera
ML 1.0; Z = 0.2 km

1 EQ ~7 km SSW of the center of caldera
ML 0.9; Z = 3.9 km


Takawangha (2 EQs):
1 EQ ~19 km E of the summit
ML 1.1; Z = 7.9 km

1 EQ ~5 km E of the summit
ML 0.7; Z = 7.2 km


Gareloi:
1 low frequency EQ ~1 km WNW of the summit
ML 0.8; Z = 5.0 km


Redoubt:
1 EQ ~5 km NE of the summit
ML 0.1; Z = 7.0 km


Spurr:
1 EQ ~11 km S of the summit
ML -0.6; Z = 2.7 km

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