63 km SE of Port Graham, Alaska

1 Oct 2026, 15:13:16 UTC · 6 days ago

Magnitude: 3.0 ML
Depth: 54.5 km
UTC: 1 Oct 2026, 15:13:16
Coordinates: 58.977°N 150.994°W
Preferred source: USGS
Sources: USGS, EMSC
Felt reports: 0
Revision: Automatic solution
Nearest active fault: No mapped active fault within 50 kmGEM Global Active Faults (Styron & Pagani 2020), CC BY-SA 4.0

Expected intensity

Rings show the expected Modified Mercalli (MMI) intensity from the Akkar–Sandıkkaya–Bommer (2014) ground-motion model converted with Worden et al. (2012). Real shaking depends on soil and building.

Felt reports

No reports yet.

Did you feel it? Report

Source comparison

Latest solution of each source. Differences are to the preferred solution.

Source	Magnitude	Time	Δ time	Depth	Δ location	Place
EMSC	3.0ML	1 Oct 2026, 15:13:16 UTC	−0.3 s	56.5 km	6.3 km	GULF OF ALASKA
USGS ★	3.0ML	1 Oct 2026, 15:13:16 UTC	—	54.5 km	—	63 km SE of Port Graham, Alaska

Revision history (5)

Source	Magnitude	Time	Depth	Coordinates	Received
USGS	2.9ML	1 Oct 2026, 15:13:16 UTC	56.6 km	58.985°N 151.014°W	1 Oct 2026, 15:17:05 UTC
EMSC	3.0ML	1 Oct 2026, 15:13:16 UTC	54.5 km	58.977°N 150.994°W	1 Oct 2026, 15:16:58 UTC
EMSC	2.9ML	1 Oct 2026, 15:13:16 UTC	54.5 km	58.977°N 150.994°W	1 Oct 2026, 15:16:27 UTC
EMSC	2.9ML	1 Oct 2026, 15:13:16 UTC	56.6 km	58.985°N 151.014°W	1 Oct 2026, 15:15:47 UTC
EMSC	3.1ML	1 Oct 2026, 15:13:16 UTC	56.6 km	58.985°N 151.014°W	1 Oct 2026, 15:15:26 UTC

Aftershocks

Earthquakes within 10 km of the epicentre in the first 30 days.

No aftershocks recorded yet.