M4.5 Earthquake 38 km SSE of La Libertad, El Salvador — November 8, 2021
2021-11-08 17:45:45 UTC (2021-11-08) · approx. 11:45 AM UTC-6 local
Felt by 5 people across nearby locations.
On November 8, 2021 at 17:45 UTC, a magnitude 4.5 intermediate depth earthquake struck 38 km SSE of La Libertad, El Salvador, at a depth of 71.0 km and coordinates 13.1663°, -89.1787°.
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 5 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
-89.1787°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near La Libertad, El Salvador?
The magnitude 4.5 earthquake that struck 38 km SSE of La Libertad, El Salvador on November 8, 2021 at 17:45 UTC had a depth of 71.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.1663°, -89.1787°, which is 38 km SSE of La Libertad, 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: us7000fsfp). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, November 8, 2021). M4.5 Earthquake 38 km SSE of La Libertad, El Salvador — November 8, 2021. Retrieved January 15, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000fsfp/