M4.1 Earthquake 127 km N of Popondetta, Papua New Guinea — July 27, 2025
2025-07-27 20:45:54 UTC (2025-07-27) · approx. 6:45 AM UTC+10 local
On July 27, 2025 at 20:45 UTC, a magnitude 4.1 shallow crustal earthquake struck 127 km N of Popondetta, Papua New Guinea, at a depth of 35.0 km and coordinates -7.6194°, 148.3235°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
148.3235°E
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Common Questions
How strong was the magnitude 4.1 earthquake near Popondetta, Papua New Guinea?
The magnitude 4.1 earthquake that struck 127 km N of Popondetta, Papua New Guinea on July 27, 2025 at 20:45 UTC had a depth of 35.0 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 4.1 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000qz5k). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, July 27, 2025). M4.1 Earthquake 127 km N of Popondetta, Papua New Guinea — July 27, 2025. Retrieved October 11, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000qz5k/