M3.0 Earthquake 3 km NNW of Dubrava, Croatia — April 20, 2021
2021-04-20 21:15:40 UTC (2021-04-20) · approx. 10:15 PM UTC+1 local
Felt by 22 people across nearby locations.
On April 20, 2021 at 21:15 UTC, a magnitude 3.0 shallow crustal earthquake struck 3 km NNW of Dubrava, Croatia, at a depth of 13.9 km and coordinates 45.8625°, 16.0470°.
Physical scale: An earthquake of magnitude 3.0 releases seismic energy equivalent to roughly 477 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 71 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 22 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
16.0470°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.0 earthquake near Dubrava, Croatia?
The magnitude 3.0 earthquake that struck 3 km NNW of Dubrava, Croatia on April 20, 2021 at 21:15 UTC had a depth of 13.9 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 45.8625°, 16.0470°, which is 3 km NNW of Dubrava, Croatia.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.0 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000e3bs). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, April 20, 2021). M3.0 Earthquake 3 km NNW of Dubrava, Croatia — April 20, 2021. Retrieved August 9, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000e3bs/