M3.9 Earthquake 3 km SW of Wiener Neustadt, Austria — April 19, 2021
2021-04-19 22:57:11 UTC (2021-04-19) · approx. 11:57 PM UTC+1 local
Felt by 132 people across surrounding communities.
On April 19, 2021 at 22:57 UTC, a magnitude 3.9 shallow crustal earthquake struck 3 km SW of Wiener Neustadt, Austria, at a depth of 10.6 km and coordinates 47.7814°, 16.1948°.
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 132 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
16.1948°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.9 earthquake near Wiener Neustadt, Austria?
The magnitude 3.9 earthquake that struck 3 km SW of Wiener Neustadt, Austria on April 19, 2021 at 22:57 UTC had a depth of 10.6 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 47.7814°, 16.1948°, which is 3 km SW of Wiener Neustadt, Austria.
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.
Authoritative source: USGS event page (event ID: us6000e30a). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, April 19, 2021). M3.9 Earthquake 3 km SW of Wiener Neustadt, Austria — April 19, 2021. Retrieved July 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000e30a/