M4.3 Earthquake 74 km NE of Yigo Village, Guam — October 14, 2025
2025-10-14 20:30:41 UTC (2025-10-14) · approx. 6:30 AM UTC+10 local
On October 14, 2025 at 20:30 UTC, a magnitude 4.3 intermediate depth earthquake struck 74 km NE of Yigo Village, Guam, at a depth of 109.3 km and coordinates 14.0159°, 145.3686°.
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
145.3686°E
Technical Information
Common Questions
How strong was the magnitude 4.3 earthquake near Yigo Village, Guam?
The magnitude 4.3 earthquake that struck 74 km NE of Yigo Village, Guam on October 14, 2025 at 20:30 UTC had a depth of 109.3 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.
Actions
Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000rlgh). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, October 14, 2025). M4.3 Earthquake 74 km NE of Yigo Village, Guam — October 14, 2025. Retrieved January 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000rlgh/