M4.5 Earthquake 289 km S of Ushuaia, Argentina — May 7, 2025
2025-05-07 18:47:16 UTC (2025-05-07) · approx. 1:47 PM UTC-5 local
Felt by 1 person across nearby locations.
On May 7, 2025 at 18:47 UTC, a magnitude 4.5 shallow crustal earthquake struck 289 km S of Ushuaia, Argentina, at a depth of 10.0 km and coordinates -57.3909°, -67.7026°. This earthquake was detected by 28 seismic stations with good location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 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
-67.7026°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Ushuaia, Argentina?
The magnitude 4.5 earthquake that struck 289 km S of Ushuaia, Argentina on May 7, 2025 at 18:47 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -57.3909°, -67.7026°, which is 289 km S of Ushuaia, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000pxsr). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, May 7, 2025). M4.5 Earthquake 289 km S of Ushuaia, Argentina — May 7, 2025. Retrieved July 24, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pxsr/