M4.3 Earthquake 95 km NNE of Calama, Chile — September 10, 2020
2020-09-10 19:57:26 UTC (2020-09-10) · approx. 2:57 PM UTC-5 local
On September 10, 2020 at 19:57 UTC, a magnitude 4.3 intermediate depth earthquake struck 95 km NNE of Calama, Chile, at a depth of 122.0 km and coordinates -21.7066°, -68.4680°.
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
-68.4680°E
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Common Questions
How strong was the magnitude 4.3 earthquake near Calama, Chile?
The magnitude 4.3 earthquake that struck 95 km NNE of Calama, Chile on September 10, 2020 at 19:57 UTC had a depth of 122.0 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 4.3 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: us7000bldc). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, September 10, 2020). M4.3 Earthquake 95 km NNE of Calama, Chile — September 10, 2020. Retrieved November 21, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bldc/