M4.7 Earthquake 154 km NW of Antofagasta de la Sierra, Argentina — January 15, 2024
2024-01-15 21:37:22 UTC (2024-01-15) · approx. 4:37 PM UTC-5 local
On January 15, 2024 at 21:37 UTC, a magnitude 4.7 intermediate depth earthquake struck 154 km NW of Antofagasta de la Sierra, Argentina, at a depth of 97.2 km and coordinates -24.9312°, -68.3176°. This earthquake was detected by 102 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.3176°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.7 earthquake near Antofagasta de la Sierra, Argentina?
The magnitude 4.7 earthquake that struck 154 km NW of Antofagasta de la Sierra, Argentina on January 15, 2024 at 21:37 UTC had a depth of 97.2 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -24.9312°, -68.3176°, which is 154 km NW of Antofagasta de la Sierra, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000m3u4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, January 15, 2024). M4.7 Earthquake 154 km NW of Antofagasta de la Sierra, Argentina — January 15, 2024. Retrieved March 29, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000m3u4/