M4.5 Earthquake 4 km W of Polkowice, Poland — September 26, 2023
2023-09-26 15:54:13 UTC (2023-09-26) · approx. 4:54 PM UTC+1 local
On September 26, 2023 at 15:54 UTC, a magnitude 4.5 shallow crustal earthquake struck 4 km W of Polkowice, Poland, at a depth of 5.0 km and coordinates 51.5010°, 16.0038°. This earthquake was detected by 61 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
16.0038°E
Technical Information
Common Questions
How strong was the magnitude 4.5 earthquake near Polkowice, Poland?
The magnitude 4.5 earthquake that struck 4 km W of Polkowice, Poland on September 26, 2023 at 15:54 UTC had a depth of 5.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 51.5010°, 16.0038°, which is 4 km W of Polkowice, Poland.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000ky7u). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, September 26, 2023). M4.5 Earthquake 4 km W of Polkowice, Poland — September 26, 2023. Retrieved December 9, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000ky7u/