M4.6 Earthquake 97 km SE of Inarajan Village, Guam — August 10, 2025
2025-08-10 22:28:29 UTC (2025-08-10) · approx. 8:28 AM UTC+10 local
On August 10, 2025 at 22:28 UTC, a magnitude 4.6 shallow crustal earthquake struck 97 km SE of Inarajan Village, Guam, at a depth of 10.0 km and coordinates 12.5899°, 145.3153°. This earthquake was detected by 51 seismic stations with good location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
145.3153°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Inarajan Village, Guam?
The magnitude 4.6 earthquake that struck 97 km SE of Inarajan Village, Guam on August 10, 2025 at 22:28 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 12.5899°, 145.3153°, which is 97 km SE of Inarajan Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000qtur). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, August 10, 2025). M4.6 Earthquake 97 km SE of Inarajan Village, Guam — August 10, 2025. Retrieved October 25, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qtur/