M4.3 Earthquake 262 km SSE of Kokopo, Papua New Guinea — July 3, 2026
2026-07-03 20:32:23 UTC (2026-07-03) · approx. 6:32 AM UTC+10 local
On July 3, 2026 at 20:32 UTC, a magnitude 4.3 shallow crustal earthquake struck 262 km SSE of Kokopo, Papua New Guinea, at a depth of 10.0 km and coordinates -6.6713°, 152.7406°.
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
152.7406°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Kokopo, Papua New Guinea?
The magnitude 4.3 earthquake that struck 262 km SSE of Kokopo, Papua New Guinea on July 3, 2026 at 20:32 UTC had a depth of 10.0 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: us7000sz7a). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 3, 2026). M4.3 Earthquake 262 km SSE of Kokopo, Papua New Guinea — July 3, 2026. Retrieved July 29, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000sz7a/