M4.1 Earthquake 127 km N of Neiafu, Tonga — June 4, 2023
2023-06-04 23:30:25 UTC (2023-06-04) · approx. 11:30 AM UTC-12 local
On June 4, 2023 at 23:30 UTC, a magnitude 4.1 intermediate depth earthquake struck 127 km N of Neiafu, Tonga, at a depth of 120.4 km and coordinates -17.5074°, -174.1576°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-174.1576°E
Technical Information
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Common Questions
How strong was the magnitude 4.1 earthquake near Neiafu, Tonga?
The magnitude 4.1 earthquake that struck 127 km N of Neiafu, Tonga on June 4, 2023 at 23:30 UTC had a depth of 120.4 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000k7fa). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, June 4, 2023). M4.1 Earthquake 127 km N of Neiafu, Tonga — June 4, 2023. Retrieved August 12, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000k7fa/