3.9

M3.9 Earthquake 51 km NNW of Yigo Village, Guam — June 3, 2025

2025-06-03 22:03:39 UTC (2025-06-03) · approx. 8:03 AM UTC+10 local

MagnitudeM3.9(mb)
Time22:03 UTC≈ 8:03 AM UTC+10
Depth194.2 kmintermediate depth
Coordinates13.989°, 144.779°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 3, 2025 at 22:03 UTC, a magnitude 3.9 intermediate depth earthquake struck 51 km NNW of Yigo Village, Guam, at a depth of 194.2 km and coordinates 13.9886°, 144.7792°.

Physical scale: An earthquake of magnitude 3.9 releases seismic energy equivalent to roughly 11 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 296 m — a useful intuition for the size of the slip patch on the fault.

This earthquake is part of an ongoing aftershock sequence following the magnitude 5.3 mainshock that occurred 16 days ago 41 km NNE of Yigo Village, Guam. Since the mainshock, the USGS has recorded 1 aftershocks in this area. Aftershock activity is expected to continue for days to weeks as stresses on surrounding faults redistribute.

Map showing earthquake epicenter at 13.99°, 144.78°

Earthquake Details

Magnitude
3.9 mb
Depth
194.2 km
intermediate depth
Location
13.9886°N
144.7792°E

Technical Information

Event ID
us6000ql9k
Event Type
earthquake
Status
✓ Reviewed
Significance
234
Stations Used
21
Azimuthal Gap
94.0°
Min Station Distance
0.406°
RMS Residual
0.40 sec
Last Updated
2025-08-16 21:54:19 UTC

Common Questions

How strong was the magnitude 3.9 earthquake near Yigo Village, Guam?

The magnitude 3.9 earthquake that struck 51 km NNW of Yigo Village, Guam on June 3, 2025 at 22:03 UTC had a depth of 194.2 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.9 earthquakes can continue for several days and gradually diminish over time.

Is this the same earthquake as the M5.3 one earlier?

No. This magnitude 3.9 earthquake is an aftershock of the larger magnitude 5.3 mainshock that occurred earlier 41 km NNE of Yigo Village, Guam. Aftershocks are smaller earthquakes triggered by stress changes from the mainshock.

Understanding This Data

Magnitude 3.9 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000ql9k). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, June 3, 2025). M3.9 Earthquake 51 km NNW of Yigo Village, Guam — June 3, 2025. Retrieved August 16, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000ql9k/