M4.2 Earthquake 179 km WSW of Hihifo, Tonga — November 10, 2024
2024-11-10 21:42:45 UTC (2024-11-10) · approx. 9:42 AM UTC-12 local
On November 10, 2024 at 21:42 UTC, a magnitude 4.2 deep-focus earthquake struck 179 km WSW of Hihifo, Tonga, at a depth of 319.6 km and coordinates -16.3322°, -175.4248°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-175.4248°E
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Common Questions
How strong was the magnitude 4.2 earthquake near Hihifo, Tonga?
The magnitude 4.2 earthquake that struck 179 km WSW of Hihifo, Tonga on November 10, 2024 at 21:42 UTC had a depth of 319.6 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000nuhm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, November 10, 2024). M4.2 Earthquake 179 km WSW of Hihifo, Tonga — November 10, 2024. Retrieved January 24, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000nuhm/