M4.3 Earthquake 32 km S of Madang, Papua New Guinea — April 14, 2023
2023-04-14 22:08:45 UTC (2023-04-14) · approx. 8:08 AM UTC+10 local
On April 14, 2023 at 22:08 UTC, a magnitude 4.3 intermediate depth earthquake struck 32 km S of Madang, Papua New Guinea, at a depth of 95.3 km and coordinates -5.5178°, 145.7937°.
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.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 2 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
145.7937°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near Madang, Papua New Guinea?
The magnitude 4.3 earthquake that struck 32 km S of Madang, Papua New Guinea on April 14, 2023 at 22:08 UTC had a depth of 95.3 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: us6000k4kl). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, April 14, 2023). M4.3 Earthquake 32 km S of Madang, Papua New Guinea — April 14, 2023. Retrieved June 17, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000k4kl/