Posted by: Matthew Haney (mhaney@usgs.gov), Fri Dec 5, 2025 02:03 (0203 UTC)
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"Significant" located earthquakes for December 3, 2025 (picking by Scott Stihler):

Iliamna: 4; Redoubt: 4; Spurr: 4; Dutton: 1; Martin: 1; Snowy: 1; Trident: 1; Veniaminof: 1

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Iliamna (4 EQs):
1 EQ ~7 km ENE of the summit
ML -0.4; Z = 6.3 km

1 EQ ~1 km SW of the summit
ML -1.0; Z = -2.0 km

1 EQ ~3 km ESE of the summit
ML -1.2; Z = 0.5 km

1 EQ ~1 km NNE of the summit
ML -0.7; Z = -2.0 km


Redoubt (4 EQs):
1 EQ ~3 km ENE of the summit
ML -0.8; Z = 6.2 km

1 EQ ~9 km WNW of the summit
ML -0.7; Z = 7.0 km

1 EQ ~4 km N of the summit
ML -0.8; Z = 4.4 km

1 EQ ~4 km N of the summit
ML -0.2; Z = 4.4 km


Spurr (4 EQs):
1 EQ ~15 km S of the summit
ML 1.7; Z = 6.1 km

1 EQ ~28 km NE of the summit
ML 0.2; Z = 8.2 km

1 EQ ~11 km SSW of the summit
ML -0.5; Z = 6.8 km

1 EQ ~5 km SE of the summit
ML 0.2; Z = 19.0 km


Dutton:
1 EQ ~3 km SE of the summit
ML 0.7; Z = 4.9 km


Martin:
1 EQ ~1 km E of the summit
ML 0.0; Z = -1.5 km


Snowy:
1 EQ ~11 km SSW of the summit
ML -0.1; Z = 1.6 km


Trident:
1 EQ ~0 km E of the summit
ML -0.6; Z = 5.4 km


Veniaminof:
1 EQ ~4 km SW of the intracaldera cone
ML 1.5; Z = 20.2 km

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