M4.3 Earthquake 10 km NE of Vicente Guerrero, Mexico — September 28, 2020
2020-09-28 16:21:47 UTC (2020-09-28) · approx. 10:21 AM UTC-6 local
On September 28, 2020 at 16:21 UTC, a magnitude 4.3 intermediate depth earthquake struck 10 km NE of Vicente Guerrero, Mexico, at a depth of 153.5 km and coordinates 17.5576°, -94.6384°.
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
-94.6384°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Vicente Guerrero, Mexico?
The magnitude 4.3 earthquake that struck 10 km NE of Vicente Guerrero, Mexico on September 28, 2020 at 16:21 UTC had a depth of 153.5 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: us6000c6bl). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, September 28, 2020). M4.3 Earthquake 10 km NE of Vicente Guerrero, Mexico — September 28, 2020. Retrieved December 5, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000c6bl/