Just 20 minutes ago, a magnitude 4.0 earthquake struck near Adak, Aleutians West, Alaska, USA. The tremor was recorded in the early evening on Friday, October 16th, 2026, at 6:34 pm local time, at a shallow depth of 7.3 miles below the surface.The event was reported by the United States Geological Survey, the first seismological agency to report it.A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which also listed it as a magnitude 4.0 earthquake.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Adak (pop. 330), located 58 miles from the epicenter.Earthquake data: Date & time: Oct 17, 2026 03:34 am (Universal Time) local time (17 Oct 2026 03:34 GMT)Magnitude: 4.0Hypocenter depth: 11.70 kmEpicenter coordinates: 51.08°N / 176.25°W (Alaska, United States)Primary data source: USGS