M4.9 Earthquake 76 km NE of Savannah Bight, Honduras — December 17, 2021
2021-12-17 13:58:34 UTC (2021-12-17) · approx. 7:58 AM UTC-6 local
Felt by 3 people across nearby locations.
On December 17, 2021 at 13:58 UTC, a magnitude 4.9 shallow crustal earthquake struck 76 km NE of Savannah Bight, Honduras, at a depth of 10.0 km and coordinates 16.9677°, -85.3777°.
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
-85.3777°E
Technical Information
Common Questions
How strong was the magnitude 4.9 earthquake near Savannah Bight, Honduras?
The magnitude 4.9 earthquake that struck 76 km NE of Savannah Bight, Honduras on December 17, 2021 at 13:58 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 16.9677°, -85.3777°, which is 76 km NE of Savannah Bight, Honduras.
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: us6000gd33). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, December 17, 2021). M4.9 Earthquake 76 km NE of Savannah Bight, Honduras — December 17, 2021. Retrieved March 1, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000gd33/