M4.4 Earthquake 168 km SSW of Kawalu, Indonesia — August 9, 2023
2023-08-09 23:10:16 UTC (2023-08-09) · approx. 6:10 AM UTC+7 local
On August 9, 2023 at 23:10 UTC, a magnitude 4.4 shallow crustal earthquake struck 168 km SSW of Kawalu, Indonesia, at a depth of 25.8 km and coordinates -8.8463°, 107.7787°.
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
107.7787°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Kawalu, Indonesia?
The magnitude 4.4 earthquake that struck 168 km SSW of Kawalu, Indonesia on August 9, 2023 at 23:10 UTC had a depth of 25.8 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: us7000knzi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, August 9, 2023). M4.4 Earthquake 168 km SSW of Kawalu, Indonesia — August 9, 2023. Retrieved October 17, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000knzi/