M4.3 Earthquake 283 km E of Tadine, New Caledonia — February 27, 2023
2023-02-27 23:09:30 UTC (2023-02-27) · approx. 10:09 AM UTC+11 local
On February 27, 2023 at 23:09 UTC, a magnitude 4.3 intermediate depth earthquake struck 283 km E of Tadine, New Caledonia, at a depth of 134.6 km and coordinates -21.8855°, 170.5968°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
170.5968°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Tadine, New Caledonia?
The magnitude 4.3 earthquake that struck 283 km E of Tadine, New Caledonia on February 27, 2023 at 23:09 UTC had a depth of 134.6 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 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000jhy0). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 27, 2023). M4.3 Earthquake 283 km E of Tadine, New Caledonia — February 27, 2023. Retrieved May 8, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000jhy0/