M4.5 Earthquake 103 km SSW of La Libertad, El Salvador — October 11, 2026
2026-10-11 23:20:35 UTC (3 hours ago) · approx. 5:20 PM UTC-6 local
On October 11, 2026 at 23:20 UTC, a magnitude 4.5 shallow crustal earthquake struck 103 km SSW of La Libertad, El Salvador, at a depth of 35.0 km and coordinates 12.6577°, -89.7633°. This earthquake was detected by 33 seismic stations with good location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
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
-89.7633°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near La Libertad, El Salvador?
The magnitude 4.5 earthquake that struck 103 km SSW of La Libertad, El Salvador on October 11, 2026 at 23:20 UTC had a depth of 35.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 12.6577°, -89.7633°, which is 103 km SSW of La Libertad, El Salvador.
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.
Authoritative source: USGS event page (event ID: us6000u1n6). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 11, 2026). M4.5 Earthquake 103 km SSW of La Libertad, El Salvador — October 11, 2026. Retrieved October 12, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000u1n6/