M4.2 Earthquake 159 km S of Kokopo, Papua New Guinea — April 20, 2025
2025-04-20 19:25:48 UTC (2025-04-20) · approx. 5:25 AM UTC+10 local
On April 20, 2025 at 19:25 UTC, a magnitude 4.2 shallow crustal earthquake struck 159 km S of Kokopo, Papua New Guinea, at a depth of 10.0 km and coordinates -5.7883°, 152.2460°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
152.2460°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near Kokopo, Papua New Guinea?
The magnitude 4.2 earthquake that struck 159 km S of Kokopo, Papua New Guinea on April 20, 2025 at 19:25 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000pxiz). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, April 20, 2025). M4.2 Earthquake 159 km S of Kokopo, Papua New Guinea — April 20, 2025. Retrieved June 27, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pxiz/