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Moderate earthquake

M5.5 Earthquake — 100 km S of Nikolski, Alaska

2026-09-03 20:21 UTC · 52.05°, -169.14°

A magnitude 5.5 (moderate) earthquake struck 100 km S of Nikolski, Alaska on 2026-09-03 20:21 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.

M5.5
Magnitude
10 km
Depth
2.7K t
TNT equivalent
~1.6K km
Felt radius (est.)
🌍 View live on the 3D globe →

Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.

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