Posted by: cheryl searcy (csearcy@usgs.gov), Tue Feb 3, 2026 21:09 (2109 UTC)
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"Significant" located earthquakes for January 31, 2026: (picking by Scott Stihler)
Spurr: 7; Iliamna: 6; Katmai: 4; Makushin: 4; Gareloi: 3; Martin: 2; Akutan: 1; Redoubt: 1; Ugashik-Peulik: 1; Wrangell: 1
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Spurr (7 EQs):
1 EQ ~18 km S of the summit
ML 0.4; Z = 4.0 km
1 EQ ~3 km NNW of the summit
ML 0.4; Z = 1.5 km
1 EQ ~3 km NNW of the summit
ML 0.3; Z = 1.4 km
1 EQ ~19 km S of the summit
ML -0.3; Z = 3.9 km
1 EQ ~9 km ENE of the summit
ML -0.5; Z = 2.8 km
1 EQ ~2 km N of the summit
ML -0.6; Z = -0.1 km
1 EQ ~4 km NNE of the summit
ML -0.7; Z = 1.6 km
Iliamna (6 EQs):
1 EQ ~1 km S of the summit
ML -0.1; Z = -0.5 km
1 EQ ~14 km E of the summit
ML -0.2; Z = 7.4 km
1 EQ ~5 km ENE of the summit
ML -0.4; Z = 2.5 km
1 EQ ~3 km ENE of the summit
ML -0.7; Z = 2.4 km
1 EQ ~5 km SE of the summit
ML -1.1; Z = 1.4 km
1 EQ ~2 km N of the summit
ML -1.3; Z = -1.9 km
Katmai (4 EQs):
1 EQ ~2 km NW of the summit
ML 0.0; Z = 3.0 km
1 EQ ~2 km SW of the summit
ML -0.3; Z = 3.0 km
1 EQ ~2 km SW of the summit
ML -0.4; Z = 2.8 km
1 EQ ~1 km NW of the summit
ML -0.4; Z = 2.6 km
Makushin (4 EQs):
1 EQ ~18 km SE of the summit
ML 1.5; Z = 6.6 km
1 EQ ~18 km SE of the summit
ML 0.5; Z = 5.1 km
1 EQ ~17 km SE of the summit
ML 0.1; Z = 5.7 km
1 EQ ~19 km SE of the summit
ML -0.1; Z = 6.5 km
Gareloi (3 EQs):
1 EQ ~4 km WNW of the summit
ML 1.3; Z = 8.8 km
1 EQ ~5 km NNW of the summit
ML 0.6; Z = 6.9 km
1 EQ ~3 km W of the summit
ML 0.5; Z = 8.6 km
Martin (2 EQs):
1 EQ ~1 km E of the summit
ML 0.4; Z = 1.2 km
1 EQ ~1 km NE of the summit
ML -0.1; Z = 0.7 km
Akutan:
1 EQ ~13 km WSW of the summit
ML -0.3; Z = 20.2 km
Redoubt:
1 deep low frequency EQ ~20 km ENE of the summit
ML 0.1; Z = 20.4 km
Ugashik-Peulik:
1 EQ ~17 km NE of the summit
ML 0.7; Z = 1.4 km
Wrangell:
1 EQ ~9 km S of the summit
ML 0.4; Z = 3.0 km
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