M4.3 Earthquake 112 km NE of Finschhafen, Papua New Guinea — May 19, 2025
2025-05-19 16:46:44 UTC (2025-05-19) · approx. 2:46 AM UTC+10 local
On May 19, 2025 at 16:46 UTC, a magnitude 4.3 intermediate depth earthquake struck 112 km NE of Finschhafen, Papua New Guinea, at a depth of 175.1 km and coordinates -5.8358°, 148.5634°.
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
148.5634°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Finschhafen, Papua New Guinea?
The magnitude 4.3 earthquake that struck 112 km NE of Finschhafen, Papua New Guinea on May 19, 2025 at 16:46 UTC had a depth of 175.1 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: us7000q05y). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, May 19, 2025). M4.3 Earthquake 112 km NE of Finschhafen, Papua New Guinea — May 19, 2025. Retrieved July 25, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000q05y/