M4.8 Earthquake 25 km NW of La Puerta de San José, Argentina — September 15, 2024
2024-09-15 02:54:59 UTC (2024-09-15) · approx. 10:54 PM UTC-4 local
On September 15, 2024 at 02:54 UTC, a magnitude 4.8 intermediate depth earthquake struck 25 km NW of La Puerta de San José, Argentina, at a depth of 138.7 km and coordinates -27.4235°, -67.2292°. This earthquake was detected by 85 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 354, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-67.2292°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.8 earthquake near La Puerta de San José, Argentina?
The magnitude 4.8 earthquake that struck 25 km NW of La Puerta de San José, Argentina on September 15, 2024 at 02:54 UTC had a depth of 138.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -27.4235°, -67.2292°, which is 25 km NW of La Puerta de San José, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000ndvy). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, September 15, 2024). M4.8 Earthquake 25 km NW of La Puerta de San José, Argentina — September 15, 2024. Retrieved November 21, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000ndvy/