M5.0 Earthquake 143 km SSW of Merizo Village, Guam — October 3, 2024
2024-10-03 03:09:05 UTC (2024-10-03) · approx. 1:09 PM UTC+10 local
On October 3, 2024 at 03:09 UTC, a magnitude 5.0 shallow crustal earthquake struck 143 km SSW of Merizo Village, Guam, at a depth of 10.0 km and coordinates 12.1586°, 143.9809°. This earthquake was detected by 46 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 385, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.0 releases seismic energy equivalent to roughly 477 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.7 km — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
143.9809°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.0 earthquake near Merizo Village, Guam?
The magnitude 5.0 earthquake that struck 143 km SSW of Merizo Village, Guam on October 3, 2024 at 03:09 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 12.1586°, 143.9809°, which is 143 km SSW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.0 earthquakes can continue for days to weeks and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000nmnj). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, October 3, 2024). M5.0 Earthquake 143 km SSW of Merizo Village, Guam — October 3, 2024. Retrieved December 14, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000nmnj/