M4.1 Earthquake 144 km W of Merizo Village, Guam — February 2, 2023
2023-02-02 19:07:51 UTC (2023-02-02) · approx. 5:07 AM UTC+10 local
On February 2, 2023 at 19:07 UTC, a magnitude 4.1 intermediate depth earthquake struck 144 km W of Merizo Village, Guam, at a depth of 195.0 km and coordinates 13.0447°, 143.3591°.
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
143.3591°E
Technical Information
Common Questions
How strong was the magnitude 4.1 earthquake near Merizo Village, Guam?
The magnitude 4.1 earthquake that struck 144 km W of Merizo Village, Guam on February 2, 2023 at 19:07 UTC had a depth of 195.0 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.
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Understanding This Data
Magnitude 4.1 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000jmsa). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 2, 2023). M4.1 Earthquake 144 km W of Merizo Village, Guam — February 2, 2023. Retrieved April 13, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000jmsa/