M4.6 Earthquake 20 km WSW of Pocito, Argentina — January 23, 2021
2021-01-23 19:19:01 UTC (2021-01-23) · approx. 2:19 PM UTC-5 local
On January 23, 2021 at 19:19 UTC, a magnitude 4.6 shallow crustal earthquake struck 20 km WSW of Pocito, Argentina, at a depth of 18.0 km and coordinates -31.7491°, -68.7892°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.7892°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Pocito, Argentina?
The magnitude 4.6 earthquake that struck 20 km WSW of Pocito, Argentina on January 23, 2021 at 19:19 UTC had a depth of 18.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.7491°, -68.7892°, which is 20 km WSW of Pocito, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000d2qj). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, January 23, 2021). M4.6 Earthquake 20 km WSW of Pocito, Argentina — January 23, 2021. Retrieved April 13, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000d2qj/