M4.3 Earthquake 8 km WSW of Azimpur, Bangladesh — May 4, 2023
2023-05-04 23:57:09 UTC (2023-05-04) · approx. 5:57 AM UTC+6 local
Felt by 364 people across surrounding communities.
On May 4, 2023 at 23:57 UTC, a magnitude 4.3 shallow crustal earthquake struck 8 km WSW of Azimpur, Bangladesh, at a depth of 10.0 km and coordinates 23.6937°, 90.3099°. This earthquake was detected by 37 seismic stations with good location accuracy and was assigned a USGS significance rating of 434, placing it among routine seismic activity.
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 364 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
90.3099°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Azimpur, Bangladesh?
The magnitude 4.3 earthquake that struck 8 km WSW of Azimpur, Bangladesh on May 4, 2023 at 23:57 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 23.6937°, 90.3099°, which is 8 km WSW of Azimpur, Bangladesh.
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: us6000k9kw). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, May 4, 2023). M4.3 Earthquake 8 km WSW of Azimpur, Bangladesh — May 4, 2023. Retrieved December 4, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000k9kw/