M4.9 Earthquake 4 km W of Fonte Bastardo, Portugal — January 14, 2024
2024-01-14 08:19:55 UTC (2024-01-14) · approx. 6:19 AM UTC-2 local
Felt by 3 people across nearby locations.
On January 14, 2024 at 08:19 UTC, a magnitude 4.9 shallow crustal earthquake struck 4 km W of Fonte Bastardo, Portugal, at a depth of 10.0 km and coordinates 38.6954°, -27.1332°. This earthquake was detected by 84 seismic stations with excellent 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
-27.1332°E
Technical Information
Common Questions
How strong was the magnitude 4.9 earthquake near Fonte Bastardo, Portugal?
The magnitude 4.9 earthquake that struck 4 km W of Fonte Bastardo, Portugal on January 14, 2024 at 08:19 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 38.6954°, -27.1332°, which is 4 km W of Fonte Bastardo, Portugal.
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: us6000m3la). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, January 14, 2024). M4.9 Earthquake 4 km W of Fonte Bastardo, Portugal — January 14, 2024. Retrieved March 16, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000m3la/