M4.9 Earthquake near Somerset Island, Nunavut, Canada — November 23, 2020
2020-11-23 03:50:20 UTC (2020-11-23) · approx. 9:50 PM UTC-6 local
On November 23, 2020 at 03:50 UTC, a magnitude 4.9 shallow crustal earthquake struck near Somerset Island, Nunavut, Canada, at a depth of 10.0 km and coordinates 73.1789°, -95.7677°.
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.
Earthquake Details
-95.7677°E
Technical Information
Common Questions
How strong was the magnitude 4.9 earthquake near Somerset Island, Nunavut, Canada?
The magnitude 4.9 earthquake that struck near Somerset Island, Nunavut, Canada on November 23, 2020 at 03:50 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 73.1789°, -95.7677°, which is near Somerset Island, Nunavut, Canada.
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: us6000crk3). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, November 23, 2020). M4.9 Earthquake near Somerset Island, Nunavut, Canada — November 23, 2020. Retrieved February 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000crk3/