M4.0 Earthquake 94 km SW of Manuel Ávila Camacho (Ponte Duro), Mexico — March 19, 2021
2021-03-19 22:09:30 UTC (2021-03-19) · approx. 4:09 PM UTC-6 local
On March 19, 2021 at 22:09 UTC, a magnitude 4.0 shallow crustal earthquake struck 94 km SW of Manuel Ávila Camacho (Ponte Duro), Mexico, at a depth of 35.0 km and coordinates 15.1248°, -94.1211°.
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
-94.1211°E
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Common Questions
How strong was the magnitude 4.0 earthquake near Manuel Ávila Camacho (Ponte Duro), Mexico?
The magnitude 4.0 earthquake that struck 94 km SW of Manuel Ávila Camacho (Ponte Duro), Mexico on March 19, 2021 at 22:09 UTC had a depth of 35.0 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 4.0 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: us6000dz7c). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, March 19, 2021). M4.0 Earthquake 94 km SW of Manuel Ávila Camacho (Ponte Duro), Mexico — March 19, 2021. Retrieved June 2, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000dz7c/