M4.2 Earthquake 17 km S of Santiago Tepextla, Mexico — February 22, 2022
2022-02-22 21:36:05 UTC (2022-02-22) · approx. 2:36 PM UTC-7 local
On February 22, 2022 at 21:36 UTC, a magnitude 4.2 shallow crustal earthquake struck 17 km S of Santiago Tepextla, Mexico, at a depth of 10.0 km and coordinates 16.1870°, -98.4341°.
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
-98.4341°E
Technical Information
Common Questions
How strong was the magnitude 4.2 earthquake near Santiago Tepextla, Mexico?
The magnitude 4.2 earthquake that struck 17 km S of Santiago Tepextla, Mexico on February 22, 2022 at 21:36 UTC had a depth of 10.0 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: us6000h04x). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, February 22, 2022). M4.2 Earthquake 17 km S of Santiago Tepextla, Mexico — February 22, 2022. Retrieved May 4, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000h04x/