M4.3 Earthquake 124 km SE of Ungsang-nodongjagu, North Korea — January 6, 2022
2022-01-06 21:52:25 UTC (2022-01-06) · approx. 6:52 AM UTC+9 local
On January 6, 2022 at 21:52 UTC, a magnitude 4.3 deep-focus earthquake struck 124 km SE of Ungsang-nodongjagu, North Korea, at a depth of 546.6 km and coordinates 41.5567°, 131.5079°.
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
131.5079°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Ungsang-nodongjagu, North Korea?
The magnitude 4.3 earthquake that struck 124 km SE of Ungsang-nodongjagu, North Korea on January 6, 2022 at 21:52 UTC had a depth of 546.6 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 4.3 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: us7000g9qz). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, January 6, 2022). M4.3 Earthquake 124 km SE of Ungsang-nodongjagu, North Korea — January 6, 2022. Retrieved March 12, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000g9qz/