Posted by: cheryl searcy (csearcy@usgs.gov), Fri Jan 23, 2026 19:59 (1959 UTC)
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"Significant" located earthquakes for January 21, 2026: (picking by Scott Stihler)
Iliamna: 10; Makushin: 10; Katmai: 3; Martin: 3; Spurr: 3; Augustine: 2; Ukinrek Maars: 2; Mageik: 1; Novarupta: 1; Okmok: 1; Pavlof: 1; Redoubt: 1; Trident: 1; Wrangell: 1
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Iliamna (10 EQs):
1 EQ ~10 km NE of the summit
ML -0.3; Z = 3.4 km
1 low frequency EQ ~2 km WNW of the summit
ML -0.3; Z = 1.9 km
1 low frequency EQ ~4 km NNE of the summit
ML -0.3; Z = 2.6 km
1 low frequency EQ ~4 km NNE of the summit
ML -0.6; Z = 2.3 km
1 low frequency EQ ~2 km E of the summit
ML -0.6; Z = 3.4 km
1 EQ ~2 km NNE of the summit
ML -0.9; Z = -0.3 km
1 low frequency EQ ~1 km NE of the summit
ML -1.0; Z = -0.5 km
1 EQ ~3 km NNE of the summit
ML -1.1; Z = 1.2 km
1 low frequency EQ ~1 km NW of the summit
ML -1.1; Z = 0.3 km
1 EQ ~2 km NE of the summit
ML -1.2; Z = 0.7 km
Makushin (10 EQs):
1 EQ ~25 km ENE of the summit
ML 1.3; Z = 9.8 km
1 EQ ~20 km E of the summit
ML 0.7; Z = 7.5 km
1 EQ ~20 km E of the summit
ML 0.2; Z = 7.5 km
1 EQ ~20 km E of the summit
ML -0.1; Z = 7.3 km
1 EQ ~20 km E of the summit
ML -0.1; Z = 7.0 km
1 EQ ~20 km E of the summit
ML -0.3; Z = 7.8 km
1 EQ ~20 km E of the summit
ML -0.3; Z = 7.3 km
1 EQ ~17 km E of the summit
ML -0.5; Z = 7.9 km
1 EQ ~20 km E of the summit
ML -0.7; Z = 7.4 km
1 EQ ~19 km E of the summit
ML -0.7; Z = 6.0 km
Katmai (3 EQs):
1 EQ ~3 km NW of the summit
ML -0.4; Z = 3.1 km
1 EQ ~3 km NW of the summit
ML -0.5; Z = 2.5 km
1 EQ ~0 km NNW of the summit
ML -0.5; Z = 2.1 km
Martin (3 EQs):
1 EQ ~1 km NNW of the summit
ML 1.1; Z = 2.2 km
1 EQ ~1 km N of the summit
ML -0.1; Z = 0.9 km
1 EQ ~0 km NNW of the summit
ML -0.6; Z = 1.7 km
Spurr (3 EQs):
1 deep low frequency EQ ~5 km SE of the summit
ML -0.2; Z = 20.7 km
1 EQ ~24 km NE of the summit
ML -0.3; Z = 2.5 km
1 EQ ~13 km S of the summit
ML -0.7; Z = 4.1 km
Augustine (2 EQs):
1 EQ ~1 km WNW of the summit
ML -1.1; Z = 0.0 km
1 EQ ~0 km W of the summit
ML -1.4; Z = -0.0 km
Ukinrek Maars (2 EQs):
1 EQ ~16 km W of the summit
ML 0.1; Z = 12.4 km
1 EQ ~14 km W of the summit
ML -0.2; Z = 9.4 km
Mageik:
1 EQ ~1 km WSW of the summit
ML -0.8; Z = 2.2 km
Novarupta:
1 EQ ~4 km SSW of the 1912 dome
ML 0.0; Z = 3.9 km
Okmok:
1 EQ ~5 km WSW of the center of caldera
ML 0.6; Z = -0.7 km
Pavlof:
1 EQ ~3 km SSW of the summit
ML -0.6; Z = 11.4 km
Redoubt:
1 EQ ~3 km SW of the summit
ML -1.8; Z = 5.4 km
Trident:
1 EQ ~3 km NE of the summit
ML -0.9; Z = 3.9 km
Wrangell:
1 EQ ~7 km SSW of the summit
ML -0.1; Z = 7.8 km
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