M4.2 Earthquake 39 km W of Plan de Ayala, Mexico — September 30, 2026
2026-09-30 04:06:59 UTC (1 hour ago) · approx. 10:06 PM UTC-6 local
On September 30, 2026 at 04:06 UTC, a magnitude 4.2 intermediate depth earthquake struck 39 km W of Plan de Ayala, Mexico, at a depth of 177.7 km and coordinates 17.4713°, -93.8603°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-93.8603°E
Technical Information
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Common Questions
How strong was the magnitude 4.2 earthquake near Plan de Ayala, Mexico?
The magnitude 4.2 earthquake that struck 39 km W of Plan de Ayala, Mexico on September 30, 2026 at 04:06 UTC had a depth of 177.7 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000tyhe). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 30, 2026). M4.2 Earthquake 39 km W of Plan de Ayala, Mexico — September 30, 2026. Retrieved September 30, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tyhe/