M4.0 Earthquake near Tarapaca, Chile — December 9, 2022
2022-12-09 18:51:02 UTC (2022-12-09) · approx. 1:51 PM UTC-5 local
On December 9, 2022 at 18:51 UTC, a magnitude 4.0 intermediate depth earthquake struck near Tarapaca, Chile, at a depth of 95.3 km and coordinates -19.1268°, -69.8346°.
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
-69.8346°E
Technical Information
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Common Questions
How strong was the magnitude 4.0 earthquake near Tarapaca, Chile?
The magnitude 4.0 earthquake that struck near Tarapaca, Chile on December 9, 2022 at 18:51 UTC had a depth of 95.3 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: us6000j87y). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, December 9, 2022). M4.0 Earthquake near Tarapaca, Chile — December 9, 2022. Retrieved February 11, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000j87y/