2025-05-09 02:28:48 (M4.5) south of Alaska 54.7 -156.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.5 Earthquake - south of Alaska

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 9 May 2025 02:28:48 Time near the Epicenter (1): 8 May 2025 16:28:48 Time in your area (1): 8 May 2025 18:28:48
Location	54.708N 156.433W
Depth	10 km
Distances	216.1 km (134.0 mi) SE of Chignik, Alaska 820.8 km (508.9 mi) SSW of Anchorage, Alaska 839.9 km (520.8 mi) SSW of Eagle River, Alaska 857.2 km (531.5 mi) SSW of Knik-Fairview, Alaska 1406.1 km (871.8 mi) WSW of Juneau, Alaska
Location Uncertainty	Horizontal: 6.5 km; Vertical 1.9 km
Parameters	Nph = 60; Dmin = 250.3 km; Rmss = 1.20 seconds; Gp = 154° Version =
Event ID	us 7000py53

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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