M4.3 Earthquake 12 km NNW of Lop?tari, Romania — May 25, 2021
2021-05-25 21:30:37 UTC (2021-05-25) · approx. 11:30 PM UTC+2 local
Felt by 13 people across nearby locations.
On May 25, 2021 at 21:30 UTC, a magnitude 4.3 intermediate depth earthquake struck 12 km NNW of Lop?tari, Romania, at a depth of 128.0 km and coordinates 45.5870°, 26.5231°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 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 13 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
26.5231°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Lop?tari, Romania?
The magnitude 4.3 earthquake that struck 12 km NNW of Lop?tari, Romania on May 25, 2021 at 21:30 UTC had a depth of 128.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 45.5870°, 26.5231°, which is 12 km NNW of Lop?tari, Romania.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.3 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000e68e). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 25, 2021). M4.3 Earthquake 12 km NNW of Lop?tari, Romania — May 25, 2021. Retrieved May 25, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000e68e/