M4.3 Earthquake 8 km NE of Santiago Llano Grande, Mexico — October 16, 2024
2024-10-16 19:46:51 UTC (2024-10-16) · approx. 12:46 PM UTC-7 local
On October 16, 2024 at 19:46 UTC, a magnitude 4.3 shallow crustal earthquake struck 8 km NE of Santiago Llano Grande, Mexico, at a depth of 29.5 km and coordinates 16.5337°, -98.2312°.
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
-98.2312°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Santiago Llano Grande, Mexico?
The magnitude 4.3 earthquake that struck 8 km NE of Santiago Llano Grande, Mexico on October 16, 2024 at 19:46 UTC had a depth of 29.5 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: us7000nq1c). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, October 16, 2024). M4.3 Earthquake 8 km NE of Santiago Llano Grande, Mexico — October 16, 2024. Retrieved December 26, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000nq1c/