M4.3 Earthquake 81 km SSW of La Libertad, El Salvador — July 15, 2022
2022-07-15 20:40:49 UTC (2022-07-15) · approx. 2:40 PM UTC-6 local
On July 15, 2022 at 20:40 UTC, a magnitude 4.3 shallow crustal earthquake struck 81 km SSW of La Libertad, El Salvador, at a depth of 41.3 km and coordinates 12.8285°, -89.6603°.
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
-89.6603°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near La Libertad, El Salvador?
The magnitude 4.3 earthquake that struck 81 km SSW of La Libertad, El Salvador on July 15, 2022 at 20:40 UTC had a depth of 41.3 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: us7000hsr0). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, July 15, 2022). M4.3 Earthquake 81 km SSW of La Libertad, El Salvador — July 15, 2022. Retrieved September 24, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000hsr0/