M4.6 Earthquake 10 km E of Rostusa, North Macedonia — March 12, 2021
2021-03-12 21:17:09 UTC (2021-03-12) · approx. 10:17 PM UTC+1 local
Felt by 12 people across nearby locations.
On March 12, 2021 at 21:17 UTC, a magnitude 4.6 shallow crustal earthquake struck 10 km E of Rostusa, North Macedonia, at a depth of 10.0 km and coordinates 41.6223°, 20.7274°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 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 12 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
20.7274°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Rostusa, North Macedonia?
The magnitude 4.6 earthquake that struck 10 km E of Rostusa, North Macedonia on March 12, 2021 at 21:17 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 41.6223°, 20.7274°, which is 10 km E of Rostusa, North Macedonia.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000diy4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, March 12, 2021). M4.6 Earthquake 10 km E of Rostusa, North Macedonia — March 12, 2021. Retrieved May 26, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000diy4/