M4.4 Earthquake 132 km WNW of Pangai, Tonga — January 22, 2025
2025-01-22 16:48:18 UTC (2025-01-22) · approx. 4:48 AM UTC-12 local
On January 22, 2025 at 16:48 UTC, a magnitude 4.4 intermediate depth earthquake struck 132 km WNW of Pangai, Tonga, at a depth of 250.3 km and coordinates -19.2679°, -175.4806°.
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
-175.4806°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Pangai, Tonga?
The magnitude 4.4 earthquake that struck 132 km WNW of Pangai, Tonga on January 22, 2025 at 16:48 UTC had a depth of 250.3 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: us6000plmi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, January 22, 2025). M4.4 Earthquake 132 km WNW of Pangai, Tonga — January 22, 2025. Retrieved April 8, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000plmi/