M4.3 Earthquake 88 km SW of Kokopo, Papua New Guinea — August 11, 2020
2020-08-11 18:48:41 UTC (2020-08-11) · approx. 4:48 AM UTC+10 local
On August 11, 2020 at 18:48 UTC, a magnitude 4.3 intermediate depth earthquake struck 88 km SW of Kokopo, Papua New Guinea, at a depth of 91.7 km and coordinates -4.8842°, 151.6823°.
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
151.6823°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Kokopo, Papua New Guinea?
The magnitude 4.3 earthquake that struck 88 km SW of Kokopo, Papua New Guinea on August 11, 2020 at 18:48 UTC had a depth of 91.7 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: us6000bctb). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, August 11, 2020). M4.3 Earthquake 88 km SW of Kokopo, Papua New Guinea — August 11, 2020. Retrieved October 21, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000bctb/