Posted by: Matthew Haney (mhaney@usgs.gov), Thu Nov 20, 2025 18:23 (1823 UTC)
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"Significant" located earthquakes for November 19, 2025 (picking by Scott Stihler):

Iliamna: 4; Shishaldin: 3; Spurr: 3; Cleveland: 2; Katmai: 2; Martin: 2; Steller: 2; Mageik: 1; Trident: 1

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Iliamna (4 EQs):
1 EQ ~1 km SW of the summit
ML -0.5; Z = 4.7 km

1 EQ ~3 km NE of the summit
ML -0.6; Z = 1.5 km

1 low frequency EQ ~2 km N of the summit
ML -0.6; Z = 0.2 km

1 EQ ~1 km NNE of the summit
ML -0.8; Z = -2.2 km


Shishaldin (3 EQs):
1 EQ ~0 km SSW of the summit
ML 0.9; Z = -1.0 km

1 low frequency EQ ~2 km WNW of the summit
ML 0.9; Z = 0.5 km

1 EQ ~1 km SW of the summit
ML 0.5; Z = -2.9 km


Spurr (3 EQs):
1 EQ ~14 km S of the summit
ML 0.2; Z = 6.3 km

1 EQ ~13 km S of the summit
ML -0.0; Z = 6.6 km

1 EQ ~8 km WSW of the summit
ML -0.1; Z = 3.3 km


Cleveland (2 EQs):
1 EQ ~3 km SE of the summit
ML 1.1; Z = 5.9 km

1 EQ ~4 km SE of the summit
ML 1.0; Z = 4.2 km


Katmai (2 EQs):
1 EQ ~3 km NW of the summit
ML -0.4; Z = 3.7 km

1 EQ ~3 km WNW of the summit
ML -0.4; Z = 2.6 km


Martin (2 EQs):
1 EQ ~1 km NW of the summit
ML 0.9; Z = 2.0 km

1 EQ ~0 km NNW of the summit
ML -0.7; Z = 1.4 km


Steller (2 EQs):
1 EQ ~1 km NNE of the summit
ML 1.2; Z = 4.2 km

1 EQ ~6 km SW of the summit
ML 0.4; Z = 4.2 km


Mageik:
1 EQ ~1 km SSW of the summit
ML -0.4; Z = 2.6 km


Trident:
1 EQ ~3 km WNW of the summit
ML 0.5; Z = 3.5 km

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