M4.4 Earthquake 27 km NNE of Tocota, Peru — December 22, 2021
2021-12-22 19:16:03 UTC (2021-12-22) · approx. 2:16 PM UTC-5 local
On December 22, 2021 at 19:16 UTC, a magnitude 4.4 intermediate depth earthquake struck 27 km NNE of Tocota, Peru, at a depth of 72.7 km and coordinates -15.4319°, -73.9816°.
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
-73.9816°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Tocota, Peru?
The magnitude 4.4 earthquake that struck 27 km NNE of Tocota, Peru on December 22, 2021 at 19:16 UTC had a depth of 72.7 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 4.4 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: us6000gemq). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, December 22, 2021). M4.4 Earthquake 27 km NNE of Tocota, Peru — December 22, 2021. Retrieved March 1, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000gemq/