M4.4 Earthquake 119 km WNW of Neiafu, Tonga — November 29, 2020
2020-11-29 21:01:08 UTC (2020-11-29) · approx. 9:01 AM UTC-12 local
On November 29, 2020 at 21:01 UTC, a magnitude 4.4 intermediate depth earthquake struck 119 km WNW of Neiafu, Tonga, at a depth of 251.8 km and coordinates -18.1493°, -174.9805°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-174.9805°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Neiafu, Tonga?
The magnitude 4.4 earthquake that struck 119 km WNW of Neiafu, Tonga on November 29, 2020 at 21:01 UTC had a depth of 251.8 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000cmni). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, November 29, 2020). M4.4 Earthquake 119 km WNW of Neiafu, Tonga — November 29, 2020. Retrieved February 6, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cmni/