M4.3 Earthquake 136 km NNW of Finschhafen, Papua New Guinea — February 27, 2026
2026-02-27 18:58:08 UTC (2026-02-27) · approx. 4:58 AM UTC+10 local
On February 27, 2026 at 18:58 UTC, a magnitude 4.3 intermediate depth earthquake struck 136 km NNW of Finschhafen, Papua New Guinea, at a depth of 191.1 km and coordinates -5.5009°, 147.2165°.
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
147.2165°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 136 km NNW of Finschhafen, Papua New Guinea on February 27, 2026 at 18:58 UTC had a depth of 191.1 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: us6000sfv8). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, February 27, 2026). M4.3 Earthquake 136 km NNW of Finschhafen, Papua New Guinea — February 27, 2026. Retrieved May 15, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000sfv8/