M4.1 Earthquake 47 km W of Ovalle, Chile — April 28, 2022
2022-04-28 18:55:38 UTC (2022-04-28) · approx. 1:55 PM UTC-5 local
On April 28, 2022 at 18:55 UTC, a magnitude 4.1 shallow crustal earthquake struck 47 km W of Ovalle, Chile, at a depth of 27.7 km and coordinates -30.5696°, -71.6968°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-71.6968°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Ovalle, Chile?
The magnitude 4.1 earthquake that struck 47 km W of Ovalle, Chile on April 28, 2022 at 18:55 UTC had a depth of 27.7 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000h5pa). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, April 28, 2022). M4.1 Earthquake 47 km W of Ovalle, Chile — April 28, 2022. Retrieved July 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000h5pa/