M4.4 Earthquake 167 km ENE of Iquique, Chile — May 13, 2021
2021-05-13 19:16:28 UTC (2021-05-13) · approx. 2:16 PM UTC-5 local
On May 13, 2021 at 19:16 UTC, a magnitude 4.4 intermediate depth earthquake struck 167 km ENE of Iquique, Chile, at a depth of 134.9 km and coordinates -19.5782°, -68.6937°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.6937°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Iquique, Chile?
The magnitude 4.4 earthquake that struck 167 km ENE of Iquique, Chile on May 13, 2021 at 19:16 UTC had a depth of 134.9 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000e2vl). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 13, 2021). M4.4 Earthquake 167 km ENE of Iquique, Chile — May 13, 2021. Retrieved July 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000e2vl/