M4.1 Earthquake 6 km NNW of Ambunti, Papua New Guinea — January 18, 2025
2025-01-18 22:08:19 UTC (2025-01-18) · approx. 8:08 AM UTC+10 local
On January 18, 2025 at 22:08 UTC, a magnitude 4.1 intermediate depth earthquake struck 6 km NNW of Ambunti, Papua New Guinea, at a depth of 119.6 km and coordinates -4.1625°, 142.8015°.
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
142.8015°E
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Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.1 earthquake near Ambunti, Papua New Guinea?
The magnitude 4.1 earthquake that struck 6 km NNW of Ambunti, Papua New Guinea on January 18, 2025 at 22:08 UTC had a depth of 119.6 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 4.1 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: us6000pkzy). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, January 18, 2025). M4.1 Earthquake 6 km NNW of Ambunti, Papua New Guinea — January 18, 2025. Retrieved March 29, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000pkzy/