M4.1 Earthquake 45 km NNE of Yigo Village, Guam — December 31, 2022
2022-12-31 19:38:06 UTC (2022-12-31) · approx. 5:38 AM UTC+10 local
On December 31, 2022 at 19:38 UTC, a magnitude 4.1 intermediate depth earthquake struck 45 km NNE of Yigo Village, Guam, at a depth of 141.6 km and coordinates 13.9106°, 145.0542°.
Physical scale: An earthquake of magnitude 4.1 releases seismic energy equivalent to roughly 21 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 406 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
145.0542°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Yigo Village, Guam?
The magnitude 4.1 earthquake that struck 45 km NNE of Yigo Village, Guam on December 31, 2022 at 19:38 UTC had a depth of 141.6 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 4.1 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000j3w8). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, December 31, 2022). M4.1 Earthquake 45 km NNE of Yigo Village, Guam — December 31, 2022. Retrieved March 7, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000j3w8/