M4.3 Earthquake 30 km SSE of Shimukappu, Japan — November 5, 2023
2023-11-05 14:45:17 UTC (2023-11-05) · approx. 12:45 AM UTC+10 local
On November 5, 2023 at 14:45 UTC, a magnitude 4.3 intermediate depth earthquake struck 30 km SSE of Shimukappu, Japan, at a depth of 122.2 km and coordinates 42.7464°, 142.5637°.
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
142.5637°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Shimukappu, Japan?
The magnitude 4.3 earthquake that struck 30 km SSE of Shimukappu, Japan on November 5, 2023 at 14:45 UTC had a depth of 122.2 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 4.3 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: us7000l913). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, November 5, 2023). M4.3 Earthquake 30 km SSE of Shimukappu, Japan — November 5, 2023. Retrieved January 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000l913/