M4.4 Earthquake 50 km E of Kainantu, Papua New Guinea — September 13, 2022
2022-09-13 23:11:43 UTC (2022-09-13) · approx. 9:11 AM UTC+10 local
On September 13, 2022 at 23:11 UTC, a magnitude 4.4 intermediate depth earthquake struck 50 km E of Kainantu, Papua New Guinea, at a depth of 90.1 km and coordinates -6.2320°, 146.3159°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
146.3159°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Kainantu, Papua New Guinea?
The magnitude 4.4 earthquake that struck 50 km E of Kainantu, Papua New Guinea on September 13, 2022 at 23:11 UTC had a depth of 90.1 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 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000i7sn). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, September 13, 2022). M4.4 Earthquake 50 km E of Kainantu, Papua New Guinea — September 13, 2022. Retrieved November 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000i7sn/