M4.1 Earthquake 93 km WNW of Madang, Papua New Guinea — September 19, 2024
2024-09-19 22:16:47 UTC (2024-09-19) · approx. 8:16 AM UTC+10 local
On September 19, 2024 at 22:16 UTC, a magnitude 4.1 intermediate depth earthquake struck 93 km WNW of Madang, Papua New Guinea, at a depth of 81.5 km and coordinates -5.0298°, 144.9634°.
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
144.9634°E
Technical Information
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Common Questions
How strong was the magnitude 4.1 earthquake near Madang, Papua New Guinea?
The magnitude 4.1 earthquake that struck 93 km WNW of Madang, Papua New Guinea on September 19, 2024 at 22:16 UTC had a depth of 81.5 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: us6000ntw3). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, September 19, 2024). M4.1 Earthquake 93 km WNW of Madang, Papua New Guinea — September 19, 2024. Retrieved November 23, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000ntw3/