M4.1 Earthquake 124 km SSE of Sagres, Portugal — August 14, 2022
2022-08-14 20:20:45 UTC (2022-08-14) · approx. 7:20 PM UTC-1 local
On August 14, 2022 at 20:20 UTC, a magnitude 4.1 shallow crustal earthquake struck 124 km SSE of Sagres, Portugal, at a depth of 38.6 km and coordinates 35.9373°, -8.5367°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 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 8 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
-8.5367°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Sagres, Portugal?
The magnitude 4.1 earthquake that struck 124 km SSE of Sagres, Portugal on August 14, 2022 at 20:20 UTC had a depth of 38.6 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000iav1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, August 14, 2022). M4.1 Earthquake 124 km SSE of Sagres, Portugal — August 14, 2022. Retrieved October 28, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000iav1/