M4.9 Earthquake 120 km NNW of Asan-Maina Village, Guam — June 7, 2025
2025-06-07 22:04:35 UTC (2025-06-07) · approx. 8:04 AM UTC+10 local
On June 7, 2025 at 22:04 UTC, a magnitude 4.9 shallow crustal earthquake struck 120 km NNW of Asan-Maina Village, Guam, at a depth of 10.0 km and coordinates 14.4865°, 144.3110°. This earthquake was detected by 64 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
144.3110°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Asan-Maina Village, Guam?
The magnitude 4.9 earthquake that struck 120 km NNW of Asan-Maina Village, Guam on June 7, 2025 at 22:04 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 14.4865°, 144.3110°, which is 120 km NNW of Asan-Maina Village, Guam.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us6000qis7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, June 7, 2025). M4.9 Earthquake 120 km NNW of Asan-Maina Village, Guam — June 7, 2025. Retrieved August 20, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000qis7/