A light earthquake with magnitude 4.5 (ml/mb) was detected on Thursday, 83 km S of Atka, Alaska (52 miles). Exact location, longitude -174.4034° West, latitude 51.4565° North, depth = 19.651 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake has occurred at 11:40:30 / 11:40 am (local time epicenter). Unique identifier: us6000rcsq. Ids that are associated to the event: ak025cbetfcp, us6000rcsq. Exact time and date of event in UTC/GMT: 25/09/25 / 2025-09-25 11:40:30 / September 25, 2025 @ 11:40 am. The epicenter of the earthquake was roughly 19.651 km (12 miles) below the earth’s surface.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days eight and in the last 365 days one hundred and seventy-six earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 83 km S of Atka, Alaska.

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