M4.0 Earthquake 181 km W of Merizo Village, Guam — August 26, 2024
2024-08-26 18:43:33 UTC (2024-08-26) · approx. 4:43 AM UTC+10 local
On August 26, 2024 at 18:43 UTC, a magnitude 4.0 intermediate depth earthquake struck 181 km W of Merizo Village, Guam, at a depth of 198.9 km and coordinates 12.9751°, 143.0254°.
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
143.0254°E
Technical Information
Common Questions
How strong was the magnitude 4.0 earthquake near Merizo Village, Guam?
The magnitude 4.0 earthquake that struck 181 km W of Merizo Village, Guam on August 26, 2024 at 18:43 UTC had a depth of 198.9 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: us7000ngcm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, August 26, 2024). M4.0 Earthquake 181 km W of Merizo Village, Guam — August 26, 2024. Retrieved November 9, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000ngcm/