M5.1 Earthquake 38 km NW of Colonia Dora, Argentina — May 19, 2021
2021-05-19 15:06:54 UTC (2021-05-19) · approx. 11:06 AM UTC-4 local
Felt by 1 person across nearby locations.
On May 19, 2021 at 15:06 UTC, a magnitude 5.1 deep-focus earthquake struck 38 km NW of Colonia Dora, Argentina, at a depth of 596.1 km and coordinates -28.3915°, -63.2690°.
Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 km — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 1 citizen response to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-63.2690°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.1 earthquake near Colonia Dora, Argentina?
The magnitude 5.1 earthquake that struck 38 km NW of Colonia Dora, Argentina on May 19, 2021 at 15:06 UTC had a depth of 596.1 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -28.3915°, -63.2690°, which is 38 km NW of Colonia Dora, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000e4gi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, May 19, 2021). M5.1 Earthquake 38 km NW of Colonia Dora, Argentina — May 19, 2021. Retrieved December 22, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000e4gi/