M4.4 Earthquake in the Fiji region — May 9, 2025
2025-05-09 18:04:03 UTC (2025-05-09) · approx. 6:04 AM UTC-12 local
On May 9, 2025 at 18:04 UTC, a magnitude 4.4 deep-focus earthquake struck in the Fiji region, at a depth of 637.0 km and coordinates -18.3571°, -177.8011°.
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
-177.8011°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake in the Fiji region?
The magnitude 4.4 earthquake that struck in the Fiji region on May 9, 2025 at 18:04 UTC had a depth of 637.0 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: us7000q144). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, May 9, 2025). M4.4 Earthquake in the Fiji region — May 9, 2025. Retrieved July 24, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000q144/