M4.5 Earthquake 295 km ESE of Port Mathurin, Mauritius — May 1, 2021
2021-05-01 18:14:10 UTC (2021-05-01) · approx. 10:14 PM UTC+4 local
On May 1, 2021 at 18:14 UTC, a magnitude 4.5 shallow crustal earthquake struck 295 km ESE of Port Mathurin, Mauritius, at a depth of 10.0 km and coordinates -20.2901°, 66.1677°.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
66.1677°E
Technical Information
Common Questions
How strong was the magnitude 4.5 earthquake near Port Mathurin, Mauritius?
The magnitude 4.5 earthquake that struck 295 km ESE of Port Mathurin, Mauritius on May 1, 2021 at 18:14 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 -20.2901°, 66.1677°, which is 295 km ESE of Port Mathurin, Mauritius.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000e10q). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 1, 2021). M4.5 Earthquake 295 km ESE of Port Mathurin, Mauritius — May 1, 2021. Retrieved July 10, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000e10q/