M3.9 Earthquake 8 km ENE of Klana, Croatia — July 29, 2023
2023-07-29 17:34:24 UTC (2023-07-29) · approx. 6:34 PM UTC+1 local
On July 29, 2023 at 17:34 UTC, a magnitude 3.9 shallow crustal earthquake struck 8 km ENE of Klana, Croatia, at a depth of 4.2 km and coordinates 45.4781°, 14.4793°.
Physical scale: An earthquake of magnitude 3.9 releases seismic energy equivalent to roughly 11 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 296 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 8 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
14.4793°E
Technical Information
Common Questions
How strong was the magnitude 3.9 earthquake near Klana, Croatia?
The magnitude 3.9 earthquake that struck 8 km ENE of Klana, Croatia on July 29, 2023 at 17:34 UTC had a depth of 4.2 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 3.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 3.9 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000kwj4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, July 29, 2023). M3.9 Earthquake 8 km ENE of Klana, Croatia — July 29, 2023. Retrieved September 30, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000kwj4/