Earthquake
M 6.3 earthquake, 89 km SSW of Nikolski, Alaska
Origin time: 2026-09-03 11:17 UTC
- Magnitude
- M 6.3 (mww)
- Peak shaking estimate · USGS
- IV — light
USGS PAGER: GreenEstimate: No casualties or damage likely
21 km deep · 3 felt reports
Reviewed by a USGS seismologist
Revised by USGS · 2026-10-08 11:27 UTC
What this tells you
Magnitude measures quake size; MMI is local shaking intensity. Estimates do not confirm injuries or damage.
Citation & source notes
- Origin time
- 2026-09-03 11:17 UTC
- Agency revision
- 2026-10-08 11:27 UTC
- Retrieved by this site
- 2026-10-11 19:49 UTC
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Agency measurements and details
- Magnitude
- M 6.3 (mww)
- Depth
- 21 km
- Origin time
- 2026-09-03 11:17 UTC
- Status
- Reviewed by USGS
- Last revised
- 2026-10-08 11:27 UTC
- Impact alert
- Green — No casualties or damage likely
- Felt reports
- 3 responses
In this region
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USGS earthquake catalog
Nearby USGS reports
M2.5+ seven-day feed · within 500 km of this event. Up to 5 nearest reports; proximity does not establish an aftershock or impact.
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