M4.7 Earthquake 130 km S of Lajes das Flores, Portugal — April 23, 2024
2024-04-23 15:43:19 UTC (2024-04-23) · approx. 1:43 PM UTC-2 local
On April 23, 2024 at 15:43 UTC, a magnitude 4.7 shallow crustal earthquake struck 130 km S of Lajes das Flores, Portugal, at a depth of 10.0 km and coordinates 38.2073°, -30.9984°. This earthquake was detected by 94 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-30.9984°E
Technical Information
Common Questions
How strong was the magnitude 4.7 earthquake near Lajes das Flores, Portugal?
The magnitude 4.7 earthquake that struck 130 km S of Lajes das Flores, Portugal on April 23, 2024 at 15:43 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 38.2073°, -30.9984°, which is 130 km S of Lajes das Flores, Portugal.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000mv94). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, April 23, 2024). M4.7 Earthquake 130 km S of Lajes das Flores, Portugal — April 23, 2024. Retrieved July 2, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000mv94/