M4.5 Earthquake 158 km E of Tadine, New Caledonia — July 13, 2021
2021-07-13 19:37:08 UTC (2021-07-13) · approx. 6:37 AM UTC+11 local
On July 13, 2021 at 19:37 UTC, a magnitude 4.5 shallow crustal earthquake struck 158 km E of Tadine, New Caledonia, at a depth of 10.0 km and coordinates -21.3029°, 169.3838°.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
169.3838°E
Technical Information
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Common Questions
How strong was the magnitude 4.5 earthquake near Tadine, New Caledonia?
The magnitude 4.5 earthquake that struck 158 km E of Tadine, New Caledonia on July 13, 2021 at 19:37 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -21.3029°, 169.3838°, which is 158 km E of Tadine, New Caledonia.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000eml6). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, July 13, 2021). M4.5 Earthquake 158 km E of Tadine, New Caledonia — July 13, 2021. Retrieved September 17, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000eml6/