M4.0 Earthquake 272 km E of Levuka, Fiji — July 27, 2021
2021-07-27 17:34:41 UTC (2021-07-27) · approx. 5:34 AM UTC-12 local
On July 27, 2021 at 17:34 UTC, a magnitude 4.0 deep-focus earthquake struck 272 km E of Levuka, Fiji, at a depth of 576.2 km and coordinates -18.1303°, -178.1125°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-178.1125°E
Technical Information
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Common Questions
How strong was the magnitude 4.0 earthquake near Levuka, Fiji?
The magnitude 4.0 earthquake that struck 272 km E of Levuka, Fiji on July 27, 2021 at 17:34 UTC had a depth of 576.2 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000f1jh). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, July 27, 2021). M4.0 Earthquake 272 km E of Levuka, Fiji — July 27, 2021. Retrieved October 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000f1jh/