M5.1 Earthquake 236 km SW of Merizo Village, Guam — December 24, 2025
2025-12-24 22:37:32 UTC (2025-12-24) · approx. 8:37 AM UTC+10 local
On December 24, 2025 at 22:37 UTC, a magnitude 5.1 shallow crustal earthquake struck 236 km SW of Merizo Village, Guam, at a depth of 10.0 km and coordinates 11.7823°, 143.1062°. This earthquake was detected by 191 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 400, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.1 releases seismic energy equivalent to roughly 674 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.0 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
143.1062°E
Technical Information
Common Questions
How strong was the magnitude 5.1 earthquake near Merizo Village, Guam?
The magnitude 5.1 earthquake that struck 236 km SW of Merizo Village, Guam on December 24, 2025 at 22:37 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 11.7823°, 143.1062°, which is 236 km SW of Merizo Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us7000rkmf). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, December 24, 2025). M5.1 Earthquake 236 km SW of Merizo Village, Guam — December 24, 2025. Retrieved May 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000rkmf/