M4.6 Earthquake 93 km NNW of Villa General Roca, Argentina — May 17, 2023
2023-05-17 10:16:32 UTC (2023-05-17) · approx. 6:16 AM UTC-4 local
Felt by 1 person across nearby locations.
On May 17, 2023 at 10:16 UTC, a magnitude 4.6 intermediate depth earthquake struck 93 km NNW of Villa General Roca, Argentina, at a depth of 131.4 km and coordinates -31.8836°, -66.8112°. This earthquake was detected by 67 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.
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.
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
-66.8112°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Villa General Roca, Argentina?
The magnitude 4.6 earthquake that struck 93 km NNW of Villa General Roca, Argentina on May 17, 2023 at 10:16 UTC had a depth of 131.4 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.8836°, -66.8112°, which is 93 km NNW of Villa General Roca, 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: us6000kchd). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, May 17, 2023). M4.6 Earthquake 93 km NNW of Villa General Roca, Argentina — May 17, 2023. Retrieved July 24, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000kchd/