M3.5 Earthquake 68 km ENE of Nikolski, Alaska — December 28, 2023
2023-12-28 23:13:41 UTC (2023-12-28) · approx. 12:13 PM UTC-11 local
On December 28, 2023 at 23:13 UTC, a magnitude 3.5 intermediate depth earthquake struck 68 km ENE of Nikolski, Alaska, at a depth of 73.9 km and coordinates 53.0739°, -167.8725°.
Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 2.7 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 157 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-167.8725°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.5 earthquake near Nikolski, Alaska?
The magnitude 3.5 earthquake that struck 68 km ENE of Nikolski, Alaska on December 28, 2023 at 23:13 UTC had a depth of 73.9 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 3.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 3.5 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000m484). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, December 28, 2023). M3.5 Earthquake 68 km ENE of Nikolski, Alaska — December 28, 2023. Retrieved March 2, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000m484/