M4.3 Earthquake 42 km ESE of Kokopo, Papua New Guinea — June 7, 2025
2025-06-07 20:42:33 UTC (2025-06-07) · approx. 6:42 AM UTC+10 local
On June 7, 2025 at 20:42 UTC, a magnitude 4.3 intermediate depth earthquake struck 42 km ESE of Kokopo, Papua New Guinea, at a depth of 99.5 km and coordinates -4.5266°, 152.6067°.
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
152.6067°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Kokopo, Papua New Guinea?
The magnitude 4.3 earthquake that struck 42 km ESE of Kokopo, Papua New Guinea on June 7, 2025 at 20:42 UTC had a depth of 99.5 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: us6000qiry). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, June 7, 2025). M4.3 Earthquake 42 km ESE of Kokopo, Papua New Guinea — June 7, 2025. Retrieved August 20, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000qiry/