Moderate magnitude 4.2 quake hits 33 miles southeast of Atka, Alaska, United States in the evening

Wait 5 sec.

A magnitude 4.2 earthquake near Atka, Aleutians West, Alaska, USA, was reported only 20 minutes ago by the United States Geological Survey, considered the key international and national agency that monitors seismic activity in the US. The earthquake occurred at a moderately shallow depth of 29 miles beneath the epicenter in the evening on Saturday, July 26th, 2025, at 9:07 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.Our monitoring service identified a second report from The Incorporated Research Institutions for Seismology (IRIS) which listed the quake at magnitude 4.2 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 4.2.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Atka (pop. 64) located 33 miles from the epicenter.Earthquake data: Date & time: Jul 26, 2025 09:07 pm (GMT -9) local time (27 Jul 2025 06:07 GMT)Magnitude: 4.2Depth: 45.99 kmEpicenter latitude / longitude: 51.76°N / 173.88°W (Alaska, United States)Primary data source: USGS