M4.5 Earthquake 40 km SSW of Soufrière, Dominica — November 4, 2020
2020-11-04 18:47:32 UTC (2020-11-04) · approx. 2:47 PM UTC-4 local
On November 4, 2020 at 18:47 UTC, a magnitude 4.5 intermediate depth earthquake struck 40 km SSW of Soufrière, Dominica, at a depth of 162.0 km and coordinates 14.9218°, -61.5476°.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-61.5476°E
Technical Information
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Common Questions
How strong was the magnitude 4.5 earthquake near Soufrière, Dominica?
The magnitude 4.5 earthquake that struck 40 km SSW of Soufrière, Dominica on November 4, 2020 at 18:47 UTC had a depth of 162.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 14.9218°, -61.5476°, which is 40 km SSW of Soufrière, Dominica.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000cael). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, November 4, 2020). M4.5 Earthquake 40 km SSW of Soufrière, Dominica — November 4, 2020. Retrieved January 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cael/