M4.3 Earthquake 20 km ESE of ?arai, Japan — January 10, 2022
2022-01-10 19:18:49 UTC (2022-01-10) · approx. 4:18 AM UTC+9 local
On January 10, 2022 at 19:18 UTC, a magnitude 4.3 intermediate depth earthquake struck 20 km ESE of ?arai, Japan, at a depth of 84.7 km and coordinates 36.2233°, 140.7837°.
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
140.7837°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near ?arai, Japan?
The magnitude 4.3 earthquake that struck 20 km ESE of ?arai, Japan on January 10, 2022 at 19:18 UTC had a depth of 84.7 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: us7000gan8). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, January 10, 2022). M4.3 Earthquake 20 km ESE of ?arai, Japan — January 10, 2022. Retrieved March 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000gan8/