M4.4 Earthquake 298 km WNW of Houma, Tonga — February 24, 2023
2023-02-24 17:28:06 UTC (2023-02-24) · approx. 5:28 AM UTC-12 local
On February 24, 2023 at 17:28 UTC, a magnitude 4.4 deep-focus earthquake struck 298 km WNW of Houma, Tonga, at a depth of 526.9 km and coordinates -20.2686°, -177.9984°.
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
-177.9984°E
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Common Questions
How strong was the magnitude 4.4 earthquake near Houma, Tonga?
The magnitude 4.4 earthquake that struck 298 km WNW of Houma, Tonga on February 24, 2023 at 17:28 UTC had a depth of 526.9 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: us7000jh28). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 24, 2023). M4.4 Earthquake 298 km WNW of Houma, Tonga — February 24, 2023. Retrieved April 29, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000jh28/