M6.3

USGS earthquake · M6.3167 km W of Nikolski, Alaska

Name: M6.3 earthquake at 167 km W of Nikolski, Alaska
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 17, 2026, 2:19 PM UTC · 41 days ago

Map centered on the earthquake at 167 km W of Nikolski, Alaska, with a marker at its epicenter

Open in Apple Maps ↗

Shaking intensity

Strongest contour: Moderate (V). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.

Depth83.0 km

Origin timeSep 17, 2026, 2:19 PM UTC

Coordinates52.810, -171.341

Tsunami flagReported

Estimated shakingModerate (V)Modelled by USGS ShakeMap

Reported shakingWeak (III)From 2 public reports

Magnitude scalemwp

SolutionAutomatic, may be revised

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.

View the USGS record ↗

USGS earthquake · M6.3167 km W of Nikolski, Alaska

U.S. Geological Survey

More earthquakes