M4.6 Earthquake southwest of Africa — September 10, 2020
2020-09-10 16:09:20 UTC (2020-09-10) · approx. 5:09 PM UTC+1 local
On September 10, 2020 at 16:09 UTC, a magnitude 4.6 shallow crustal earthquake struck southwest of Africa, at a depth of 10.0 km and coordinates -52.8621°, 10.0374°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
10.0374°E
Technical Information
Common Questions
How strong was the magnitude 4.6 earthquake southwest of Africa?
The magnitude 4.6 earthquake that struck southwest of Africa on September 10, 2020 at 16:09 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 -52.8621°, 10.0374°, which is southwest of Africa.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000bnk1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, September 10, 2020). M4.6 Earthquake southwest of Africa — September 10, 2020. Retrieved November 21, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bnk1/