M4.1 Earthquake 142 km SW of Acajutla, El Salvador — May 28, 2022
2022-05-28 23:28:24 UTC (2022-05-28) · approx. 5:28 PM UTC-6 local
On May 28, 2022 at 23:28 UTC, a magnitude 4.1 shallow crustal earthquake struck 142 km SW of Acajutla, El Salvador, at a depth of 10.0 km and coordinates 12.6264°, -90.6972°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-90.6972°E
Technical Information
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Common Questions
How strong was the magnitude 4.1 earthquake near Acajutla, El Salvador?
The magnitude 4.1 earthquake that struck 142 km SW of Acajutla, El Salvador on May 28, 2022 at 23:28 UTC had a depth of 10.0 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000hdci). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, May 28, 2022). M4.1 Earthquake 142 km SW of Acajutla, El Salvador — May 28, 2022. Retrieved August 6, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000hdci/