M4.0 Earthquake 1 km WNW of Buchbach, Austria — March 30, 2023
2023-03-30 20:26:12 UTC (2023-03-30) · approx. 9:26 PM UTC+1 local
Felt by 17 people across nearby locations.
On March 30, 2023 at 20:26 UTC, a magnitude 4.0 shallow crustal earthquake struck 1 km WNW of Buchbach, Austria, at a depth of 2.9 km and coordinates 47.7016°, 15.9690°. This earthquake was detected by 54 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 253, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 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 17 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
15.9690°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Buchbach, Austria?
The magnitude 4.0 earthquake that struck 1 km WNW of Buchbach, Austria on March 30, 2023 at 20:26 UTC had a depth of 2.9 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 47.7016°, 15.9690°, which is 1 km WNW of Buchbach, Austria.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.0 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000k0yt). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, March 30, 2023). M4.0 Earthquake 1 km WNW of Buchbach, Austria — March 30, 2023. Retrieved June 3, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000k0yt/