M4.1 Earthquake 8 km NW of San Francisco Cozoaltepec, Mexico — January 18, 2025
2025-01-18 21:45:37 UTC (2025-01-18) · approx. 3:45 PM UTC-6 local
On January 18, 2025 at 21:45 UTC, a magnitude 4.1 shallow crustal earthquake struck 8 km NW of San Francisco Cozoaltepec, Mexico, at a depth of 10.0 km and coordinates 15.8699°, -96.7785°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-96.7785°E
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Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.1 earthquake near San Francisco Cozoaltepec, Mexico?
The magnitude 4.1 earthquake that struck 8 km NW of San Francisco Cozoaltepec, Mexico on January 18, 2025 at 21:45 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000p9n1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, January 18, 2025). M4.1 Earthquake 8 km NW of San Francisco Cozoaltepec, Mexico — January 18, 2025. Retrieved March 29, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000p9n1/