M4.3 Earthquake 72 km NNW of Taltal, Chile — May 25, 2021
2021-05-25 18:53:17 UTC (2021-05-25) · approx. 1:53 PM UTC-5 local
On May 25, 2021 at 18:53 UTC, a magnitude 4.3 shallow crustal earthquake struck 72 km NNW of Taltal, Chile, at a depth of 26.7 km and coordinates -24.7791°, -70.6975°.
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
-70.6975°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Taltal, Chile?
The magnitude 4.3 earthquake that struck 72 km NNW of Taltal, Chile on May 25, 2021 at 18:53 UTC had a depth of 26.7 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 4.3 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: us7000e66k). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 25, 2021). M4.3 Earthquake 72 km NNW of Taltal, Chile — May 25, 2021. Retrieved July 31, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000e66k/