Moderate magnitude 4.0 earthquake 56 miles southeast of Adak, Alaska, United States
4.0 quake 89 km SSE of Adak, Alaska, Sep 19, 2024 05:09 pm (GMT -9)

A magnitude 4.0 earthquake near Adak, Aleutians West, Alaska, USA, was reported only 18 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 21 miles beneath the epicenter in the afternoon on Thursday, September 19th, 2024, at 5:09 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 European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.0 as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Adak (pop. 330) located 56 miles from the epicenter.


Earthquake data:
Date & time: Sep 19, 2024 05:09 pm (GMT -9) local time (20 Sep 2024 02:09 GMT)
Magnitude: 4.0
Depth: 34.0 km
Epicenter latitude / longitude: 51.11°N / 176.22°W (Alaska, United States)
Primary data source: USGS
https://www.volcanodiscovery.com/earthquake/news/252873/Moderate-magnitude-40-earthquake-56-miles-southeast-of-Adak-Alaska-United-States.html