M4.0 Earthquake northeast of Taiwan — January 6, 2023
2023-01-06 17:49:14 UTC (2023-01-06) · approx. 1:49 AM UTC+8 local
On January 6, 2023 at 17:49 UTC, a magnitude 4.0 intermediate depth earthquake struck northeast of Taiwan, at a depth of 202.3 km and coordinates 25.5883°, 124.1007°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
124.1007°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.0 earthquake northeast of Taiwan?
The magnitude 4.0 earthquake that struck northeast of Taiwan on January 6, 2023 at 17:49 UTC had a depth of 202.3 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 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000j2lz). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, January 6, 2023). M4.0 Earthquake northeast of Taiwan — January 6, 2023. Retrieved March 11, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000j2lz/