M4.0 Earthquake 36 km S of La Esperanza (El Zapotal), Mexico — October 12, 2020
2020-10-12 16:38:31 UTC (2020-10-12) · approx. 10:38 AM UTC-6 local
On October 12, 2020 at 16:38 UTC, a magnitude 4.0 shallow crustal earthquake struck 36 km S of La Esperanza (El Zapotal), Mexico, at a depth of 40.4 km and coordinates 15.1210°, -93.1368°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-93.1368°E
Technical Information
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Common Questions
How strong was the magnitude 4.0 earthquake near La Esperanza (El Zapotal), Mexico?
The magnitude 4.0 earthquake that struck 36 km S of La Esperanza (El Zapotal), Mexico on October 12, 2020 at 16:38 UTC had a depth of 40.4 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000c7te). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, October 12, 2020). M4.0 Earthquake 36 km S of La Esperanza (El Zapotal), Mexico — October 12, 2020. Retrieved December 19, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000c7te/