4.7

M4.7 Earthquake 209 km SW of Merizo Village, GuamJanuary 2, 2025

2025-01-02 17:15:43 UTC (2025-01-02) · approx. 3:15 AM UTC+10 local

MagnitudeM4.7(mb)
Time17:15 UTC3:15 AM UTC+10
Depth10.0 kmshallow crustal
Coordinates11.832°, 143.405°
Felt byNo felt reports
Status✓ Reviewed by USGS

On January 2, 2025 at 17:15 UTC, a magnitude 4.7 shallow crustal earthquake struck 209 km SW of Merizo Village, Guam, at a depth of 10.0 km and coordinates 11.8320°, 143.4054°. This earthquake was detected by 47 seismic stations with good location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 11.83°, 143.41°

Earthquake Details

Magnitude
4.7 mb
Depth
10.0 km
shallow crustal
Location
11.8320°N
143.4054°E

Technical Information

Event ID
us6000ph9k
Event Type
earthquake
Status
✓ Reviewed
Significance
340
Stations Used
47
Azimuthal Gap
118.0°
Min Station Distance
2.256°
RMS Residual
0.87 sec
Last Updated
2025-03-17 21:34:17 UTC

Common Questions

How strong was the magnitude 4.7 earthquake near Merizo Village, Guam?

The magnitude 4.7 earthquake that struck 209 km SW of Merizo Village, Guam on January 2, 2025 at 17:15 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 11.8320°, 143.4054°, which is 209 km SW of Merizo Village, Guam.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000ph9k). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, January 2, 2025). M4.7 Earthquake 209 km SW of Merizo Village, GuamJanuary 2, 2025. Retrieved March 17, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000ph9k/