M4.2 Earthquake 63 km WSW of Niseko Town, Japan — January 14, 2022
2022-01-14 23:00:56 UTC (2022-01-14) · approx. 8:00 AM UTC+9 local
On January 14, 2022 at 23:00 UTC, a magnitude 4.2 intermediate depth earthquake struck 63 km WSW of Niseko Town, Japan, at a depth of 169.6 km and coordinates 42.5722°, 139.9408°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
139.9408°E
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Common Questions
How strong was the magnitude 4.2 earthquake near Niseko Town, Japan?
The magnitude 4.2 earthquake that struck 63 km WSW of Niseko Town, Japan on January 14, 2022 at 23:00 UTC had a depth of 169.6 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000gc53). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, January 14, 2022). M4.2 Earthquake 63 km WSW of Niseko Town, Japan — January 14, 2022. Retrieved March 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000gc53/