Home / Events / M 3.9 earthquake - 40 km SW of Karluk, Alaska First published 9/22/2026, 8:53:15 AM · Last updated 9/22/2026, 8:53:15 AM
M 3.9 earthquake - 40 km SW of Karluk, Alaska USGS reports a magnitude 3.9 earthquake 40 km SW of Karluk, Alaska. Coordinates: 57.297, -154.906. Depth: 46.6 km. (Source published 2026-09-22T08:48:00.720Z.)
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 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency 2/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10). Why it matters The USGS report documents a local seismic event near Karluk, Alaska.
Sources Report an issue