M4.5 Earthquake 13 km NNW of San Agustín, El Salvador — January 29, 2024
2024-01-29 21:38:33 UTC (2024-01-29) · approx. 3:38 PM UTC-6 local
On January 29, 2024 at 21:38 UTC, a magnitude 4.5 intermediate depth earthquake struck 13 km NNW of San Agustín, El Salvador, at a depth of 183.3 km and coordinates 13.5419°, -88.6575°. This earthquake was detected by 81 seismic stations with excellent 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.
Earthquake Details
-88.6575°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near San Agustín, El Salvador?
The magnitude 4.5 earthquake that struck 13 km NNW of San Agustín, El Salvador on January 29, 2024 at 21:38 UTC had a depth of 183.3 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.5419°, -88.6575°, which is 13 km NNW of San Agustín, El Salvador.
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: us7000luun). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, January 29, 2024). M4.5 Earthquake 13 km NNW of San Agustín, El Salvador — January 29, 2024. Retrieved April 13, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000luun/