M3.1 Earthquake 53 km W of Nikolski, Alaska — July 19, 2026
2026-07-19 11:26:09 UTC (19 hours ago) · approx. 12:26 AM UTC-11 local
On July 19, 2026 at 11:26 UTC, a magnitude 3.1 intermediate depth earthquake struck 53 km W of Nikolski, Alaska, at a depth of 131.0 km and coordinates 53.0010°, -169.6480°.
Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 674 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 83 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-169.6480°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Nikolski, Alaska?
The magnitude 3.1 earthquake that struck 53 km W of Nikolski, Alaska on July 19, 2026 at 11:26 UTC had a depth of 131.0 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: aka2026oelgbm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 19, 2026). M3.1 Earthquake 53 km W of Nikolski, Alaska — July 19, 2026. Retrieved July 19, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026oelgbm/