M3.4 Earthquake 55 km SE of King Cove, Alaska — July 24, 2025
2025-07-24 22:42:03 UTC (2025-07-24) · approx. 11:42 AM UTC-11 local
On July 24, 2025 at 22:42 UTC, a magnitude 3.4 shallow crustal earthquake struck 55 km SE of King Cove, Alaska, at a depth of 69.7 km and coordinates 54.7859°, -161.6009°.
Physical scale: An earthquake of magnitude 3.4 releases seismic energy equivalent to roughly 1.9 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 134 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-161.6009°E
Technical Information
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Common Questions
How strong was the magnitude 3.4 earthquake near King Cove, Alaska?
The magnitude 3.4 earthquake that struck 55 km SE of King Cove, Alaska on July 24, 2025 at 22:42 UTC had a depth of 69.7 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 3.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.4 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000quz0). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, July 24, 2025). M3.4 Earthquake 55 km SE of King Cove, Alaska — July 24, 2025. Retrieved October 11, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000quz0/