M4.6 Earthquake 28 km W of La Libertad, El Salvador — July 22, 2023
2023-07-22 01:11:58 UTC (2023-07-22) · approx. 7:11 PM UTC-6 local
On July 22, 2023 at 01:11 UTC, a magnitude 4.6 intermediate depth earthquake struck 28 km W of La Libertad, El Salvador, at a depth of 87.3 km and coordinates 13.4486°, -89.5828°. This earthquake was detected by 76 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-89.5828°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near La Libertad, El Salvador?
The magnitude 4.6 earthquake that struck 28 km W of La Libertad, El Salvador on July 22, 2023 at 01:11 UTC had a depth of 87.3 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.4486°, -89.5828°, which is 28 km W of La Libertad, El Salvador.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000khiy). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, July 22, 2023). M4.6 Earthquake 28 km W of La Libertad, El Salvador — July 22, 2023. Retrieved September 28, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000khiy/