M4.3 Earthquake 113 km WSW of Merizo Village, Guam — November 4, 2022
2022-11-04 19:21:55 UTC (2022-11-04) · approx. 5:21 AM UTC+10 local
On November 4, 2022 at 19:21 UTC, a magnitude 4.3 intermediate depth earthquake struck 113 km WSW of Merizo Village, Guam, at a depth of 114.0 km and coordinates 12.9933°, 143.6586°.
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
143.6586°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Merizo Village, Guam?
The magnitude 4.3 earthquake that struck 113 km WSW of Merizo Village, Guam on November 4, 2022 at 19:21 UTC had a depth of 114.0 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 4.3 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: us7000inlh). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, November 4, 2022). M4.3 Earthquake 113 km WSW of Merizo Village, Guam — November 4, 2022. Retrieved January 12, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000inlh/