M4.3 Earthquake 111 km N of Isangel, Vanuatu — August 4, 2026
2026-08-04 22:06:31 UTC (2026-08-04) · approx. 9:06 AM UTC+11 local
On August 4, 2026 at 22:06 UTC, a magnitude 4.3 intermediate depth earthquake struck 111 km N of Isangel, Vanuatu, at a depth of 246.6 km and coordinates -18.5386°, 169.3910°.
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
169.3910°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Isangel, Vanuatu?
The magnitude 4.3 earthquake that struck 111 km N of Isangel, Vanuatu on August 4, 2026 at 22:06 UTC had a depth of 246.6 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: us6000tj0h). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, August 4, 2026). M4.3 Earthquake 111 km N of Isangel, Vanuatu — August 4, 2026. Retrieved August 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tj0h/