M4.3 Earthquake 256 km SE of Alo, Wallis and Futuna — November 29, 2021
2021-11-29 21:04:12 UTC (2021-11-29) · approx. 9:04 AM UTC-12 local
On November 29, 2021 at 21:04 UTC, a magnitude 4.3 deep-focus earthquake struck 256 km SE of Alo, Wallis and Futuna, at a depth of 362.3 km and coordinates -15.9258°, -176.3967°.
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
-176.3967°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Alo, Wallis and Futuna?
The magnitude 4.3 earthquake that struck 256 km SE of Alo, Wallis and Futuna on November 29, 2021 at 21:04 UTC had a depth of 362.3 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.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000g8rd). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, November 29, 2021). M4.3 Earthquake 256 km SE of Alo, Wallis and Futuna — November 29, 2021. Retrieved February 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000g8rd/