M4.3 Earthquake 11 km SE of Sullana, Peru — May 7, 2021
2021-05-07 21:46:30 UTC (2021-05-07) · approx. 4:46 PM UTC-5 local
On May 7, 2021 at 21:46 UTC, a magnitude 4.3 shallow crustal earthquake struck 11 km SE of Sullana, Peru, at a depth of 52.8 km and coordinates -4.9878°, -80.6245°.
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.

Earthquake Details
-80.6245°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Sullana, Peru?
The magnitude 4.3 earthquake that struck 11 km SE of Sullana, Peru on May 7, 2021 at 21:46 UTC had a depth of 52.8 km. For context, this was a light earthquake commonly felt near the epicenter.
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.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000e16g). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 7, 2021). M4.3 Earthquake 11 km SE of Sullana, Peru — May 7, 2021. Retrieved July 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000e16g/