Posted by: Matthew Haney (mhaney@usgs.gov), Tue Dec 2, 2025 18:52 (1852 UTC)
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"Significant" located earthquakes for November 29, 2025:

Iliamna: 9; Katmai: 3; Spurr: 3; Novarupta: 2; Trident: 2; Great Sitkin: 1; Martin: 1; Redoubt: 1; Shishaldin: 1; Veniaminof: 1

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Iliamna (9 EQs):
1 EQ ~0 km SSW of the summit
ML -0.3; Z = -0.9 km

1 EQ ~3 km NE of the summit
ML -0.6; Z = 1.4 km

1 low frequency EQ ~3 km SSE of the summit
ML -0.7; Z = -0.8 km

1 low frequency EQ ~5 km NE of the summit
ML -0.8; Z = 2.7 km

1 EQ ~2 km NNE of the summit
ML -0.9; Z = -2.1 km

1 EQ ~2 km SSW of the summit
ML -0.9; Z = 0.0 km

1 EQ ~1 km SE of the summit
ML -1.2; Z = 2.5 km

1 EQ ~4 km NE of the summit
ML -1.2; Z = 2.9 km

1 EQ ~3 km N of the summit
ML -1.3; Z = 0.9 km


Katmai (3 EQs):
1 EQ ~2 km ENE of the summit
ML 0.2; Z = 3.0 km

1 EQ ~3 km SE of the summit
ML 0.2; Z = 5.0 km

1 EQ ~13 km SSE of the summit
ML -0.2; Z = 2.3 km


Spurr (3 EQs):
1 EQ ~9 km ENE of the summit
ML -0.1; Z = -3.2 km

1 EQ ~2 km N of the summit
ML -0.6; Z = -2.7 km

1 EQ ~6 km WSW of the summit
ML -0.7; Z = 2.9 km


Novarupta (2 EQs):
1 EQ ~3 km SSW of the 1912 dome
ML -0.2; Z = 4.0 km

1 EQ ~3 km SSE of the 1912 dome
ML -0.5; Z = 3.1 km


Trident (2 EQs):
1 EQ ~3 km ENE of the summit
ML 0.3; Z = 3.9 km

1 EQ ~2 km W of the summit
ML -0.7; Z = 1.0 km


Great Sitkin:
1 low frequency EQ ~5 km WNW of the summit
ML 1.3; Z = 6.8 km


Martin:
1 EQ ~16 km SSW of the summit
ML 0.5; Z = 4.5 km


Redoubt:
1 deep low frequency EQ ~6 km NNW of the summit
ML -0.6; Z = 29.4 km


Shishaldin:
1 low frequency EQ ~9 km SSW of the summit
ML 1.5; Z = 7.1 km


Veniaminof:
1 low frequency EQ ~1 km WNW of the intracaldera cone
ML 1.0; Z = 3.9 km

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