M4.3 Earthquake 38 km WSW of Urakawa, Japan — November 13, 2023
2023-11-13 23:13:27 UTC (2023-11-13) · approx. 8:13 AM UTC+9 local
On November 13, 2023 at 23:13 UTC, a magnitude 4.3 intermediate depth earthquake struck 38 km WSW of Urakawa, Japan, at a depth of 72.4 km and coordinates 41.9769°, 142.3838°.
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
142.3838°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Urakawa, Japan?
The magnitude 4.3 earthquake that struck 38 km WSW of Urakawa, Japan on November 13, 2023 at 23:13 UTC had a depth of 72.4 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: us6000lp4u). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, November 13, 2023). M4.3 Earthquake 38 km WSW of Urakawa, Japan — November 13, 2023. Retrieved January 26, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000lp4u/