M4.9 Earthquake 56 km W of Vinchina, Argentina — February 6, 2026
2026-02-06 03:44:54 UTC (2026-02-06) · approx. 10:44 PM UTC-5 local
On February 6, 2026 at 03:44 UTC, a magnitude 4.9 intermediate depth earthquake struck 56 km W of Vinchina, Argentina, at a depth of 110.9 km and coordinates -28.8387°, -68.7771°. This earthquake was detected by 102 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.7771°E
Technical Information
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Common Questions
How strong was the magnitude 4.9 earthquake near Vinchina, Argentina?
The magnitude 4.9 earthquake that struck 56 km W of Vinchina, Argentina on February 6, 2026 at 03:44 UTC had a depth of 110.9 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -28.8387°, -68.7771°, which is 56 km W of Vinchina, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
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Location
Authoritative source: USGS event page (event ID: us6000s6v4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, February 6, 2026). M4.9 Earthquake 56 km W of Vinchina, Argentina — February 6, 2026. Retrieved May 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000s6v4/