Posted by: Matthew Haney (mhaney@usgs.gov), Fri Nov 21, 2025 19:59 (1959 UTC)
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"Significant" located earthquakes for November 20, 2025 (picking by Scott Stihler):

Great Sitkin: 2; Shishaldin: 2; Kliuchef: 1; Cleveland: 1; Iliamna: 1; Katmai: 1; Novarupta: 1; Okmok: 1; Snowy: 1; Spurr: 1; Wrangell: 1

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Great Sitkin (2 EQs):
1 low frequency EQ ~4 km WNW of the summit
ML 1.6; Z = 8.7 km

1 EQ ~2 km SSW of the summit
ML 1.1; Z = 9.7 km


Shishaldin (2 EQs):
1 deep low frequency EQ ~7 km ESE of the summit
ML 1.4; Z = 24.8 km

1 EQ ~1 km SW of the summit
ML 1.1; Z = -0.7 km


Kliuchef:
1 EQ ~2 km NNE of the summit
ML 0.8; Z = 3.5 km


Cleveland:
1 EQ ~19 km ENE of the summit
ML 1.5; Z = 9.0 km


Iliamna:
1 EQ ~3 km NNE of the summit
ML -0.3; Z = 2.0 km


Katmai:
1 EQ ~2 km NW of the summit
ML 0.9; Z = 3.0 km


Novarupta:
1 EQ ~2 km S of the 1912 dome
ML 0.6; Z = 3.4 km


Okmok:
1 EQ ~5 km NE of the center of caldera
ML 0.4; Z = 8.8 km


Snowy:
1 EQ ~11 km NNW of the summit
ML 0.4; Z = 5.9 km


Spurr:
1 EQ ~8 km S of the summit
ML 0.1; Z = 5.8 km


Wrangell:
1 EQ ~8 km S of the summit
ML -0.0; Z = 4.9 km

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