M4.4 Earthquake 95 km NE of Yonakuni, Japan — October 6, 2023
2023-10-06 19:24:51 UTC (2023-10-06) · approx. 3:24 AM UTC+8 local
On October 6, 2023 at 19:24 UTC, a magnitude 4.4 shallow crustal earthquake struck 95 km NE of Yonakuni, Japan, at a depth of 6.2 km and coordinates 25.1326°, 123.6059°.
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
123.6059°E
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Common Questions
How strong was the magnitude 4.4 earthquake near Yonakuni, Japan?
The magnitude 4.4 earthquake that struck 95 km NE of Yonakuni, Japan on October 6, 2023 at 19:24 UTC had a depth of 6.2 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: us6000ldl8). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, October 6, 2023). M4.4 Earthquake 95 km NE of Yonakuni, Japan — October 6, 2023. Retrieved December 14, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000ldl8/