M4.3 Earthquake 21 km W of Ovalle, Chile — September 15, 2022
2022-09-15 19:29:40 UTC (2022-09-15) · approx. 2:29 PM UTC-5 local
On September 15, 2022 at 19:29 UTC, a magnitude 4.3 shallow crustal earthquake struck 21 km W of Ovalle, Chile, at a depth of 50.8 km and coordinates -30.6147°, -71.4276°.
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
-71.4276°E
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Common Questions
How strong was the magnitude 4.3 earthquake near Ovalle, Chile?
The magnitude 4.3 earthquake that struck 21 km W of Ovalle, Chile on September 15, 2022 at 19:29 UTC had a depth of 50.8 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: us7000i8ch). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, September 15, 2022). M4.3 Earthquake 21 km W of Ovalle, Chile — September 15, 2022. Retrieved November 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000i8ch/