M4.2 Earthquake 260 km SE of Alo, Wallis and Futuna — March 26, 2025
2025-03-26 21:32:48 UTC (2025-03-26) · approx. 9:32 AM UTC-12 local
On March 26, 2025 at 21:32 UTC, a magnitude 4.2 deep-focus earthquake struck 260 km SE of Alo, Wallis and Futuna, at a depth of 383.2 km and coordinates -15.9034°, -176.3246°.
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
-176.3246°E
Technical Information
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Common Questions
How strong was the magnitude 4.2 earthquake near Alo, Wallis and Futuna?
The magnitude 4.2 earthquake that struck 260 km SE of Alo, Wallis and Futuna on March 26, 2025 at 21:32 UTC had a depth of 383.2 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: us7000pmwl). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, March 26, 2025). M4.2 Earthquake 260 km SE of Alo, Wallis and Futuna — March 26, 2025. Retrieved June 6, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pmwl/