M4.9 Earthquake 55 km S of Acajutla, El Salvador — September 13, 2024
2024-09-13 21:21:09 UTC (2024-09-13) · approx. 3:21 PM UTC-6 local
Felt by 3 people across nearby locations.
On September 13, 2024 at 21:21 UTC, a magnitude 4.9 shallow crustal earthquake struck 55 km S of Acajutla, El Salvador, at a depth of 35.0 km and coordinates 13.0997°, -89.9087°. This earthquake was detected by 141 seismic stations with good location accuracy and was assigned a USGS significance rating of 371, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — 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 3 citizen responses 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
-89.9087°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Acajutla, El Salvador?
The magnitude 4.9 earthquake that struck 55 km S of Acajutla, El Salvador on September 13, 2024 at 21:21 UTC had a depth of 35.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.0997°, -89.9087°, which is 55 km S of Acajutla, El Salvador.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000ndnm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, September 13, 2024). M4.9 Earthquake 55 km S of Acajutla, El Salvador — September 13, 2024. Retrieved November 21, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000ndnm/