Planet Briefing

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M 3.6 earthquake - 112 km SE of Atka, Alaska

USGS reports a magnitude 3.6 earthquake at coordinates 51.364, -173.278 (112 km SE of Atka, Alaska). Reported depth: 0 km. Published 2026-09-18T09:23:44.994Z.

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
9/10
Geographic reach
2/10
Global importance
2/10
Impact magnitude
3/10
Positivity
2/10
Urgency
3/10

Why it matters

Even small earthquakes can be felt locally and warrant monitoring for aftershocks or potential impacts to local infrastructure. This event is relevant for situational awareness in the immediate area and for seismic records.

Location

Sources

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