M4.4 Earthquake 268 km NW of Houma, Tonga — May 27, 2025
2025-05-27 20:56:56 UTC (2025-05-27) · approx. 8:56 AM UTC-12 local
On May 27, 2025 at 20:56 UTC, a magnitude 4.4 deep-focus earthquake struck 268 km NW of Houma, Tonga, at a depth of 360.9 km and coordinates -19.7726°, -177.4102°.
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
-177.4102°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Houma, Tonga?
The magnitude 4.4 earthquake that struck 268 km NW of Houma, Tonga on May 27, 2025 at 20:56 UTC had a depth of 360.9 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.
Actions
Location
Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000qjnq). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, May 27, 2025). M4.4 Earthquake 268 km NW of Houma, Tonga — May 27, 2025. Retrieved August 13, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000qjnq/