M4.3 Earthquake 37 km S of Puerto El Triunfo, El Salvador — July 15, 2026
2026-07-15 14:37:38 UTC (2 hours ago) · approx. 8:37 AM UTC-6 local
On July 15, 2026 at 14:37 UTC, a magnitude 4.3 shallow crustal earthquake struck 37 km S of Puerto El Triunfo, El Salvador, at a depth of 57.4 km and coordinates 12.9456°, -88.5791°.
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
-88.5791°E
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Common Questions
How strong was the magnitude 4.3 earthquake near Puerto El Triunfo, El Salvador?
The magnitude 4.3 earthquake that struck 37 km S of Puerto El Triunfo, El Salvador on July 15, 2026 at 14:37 UTC had a depth of 57.4 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: us7000t0nc). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 15, 2026). M4.3 Earthquake 37 km S of Puerto El Triunfo, El Salvador — July 15, 2026. Retrieved July 15, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000t0nc/