4.7

M4.7 Earthquake in the Kermadec Islands regionJune 3, 2025

2025-06-03 17:34:59 UTC (2025-06-03) · approx. 5:34 AM UTC-12 local

MagnitudeM4.7(mb)
Time17:34 UTC5:34 AM UTC-12
Depth43.3 kmshallow crustal
Coordinates-27.966°, -176.571°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 3, 2025 at 17:34 UTC, a magnitude 4.7 shallow crustal earthquake struck in the Kermadec Islands region, at a depth of 43.3 km and coordinates -27.9657°, -176.5710°. This earthquake was detected by 39 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 -27.97°, -176.57°

Earthquake Details

Magnitude
4.7 mb
Depth
43.3 km
shallow crustal
Location
-27.9657°N
-176.5710°E

Technical Information

Event ID
us6000ql9l
Event Type
earthquake
Status
✓ Reviewed
Significance
340
Stations Used
39
Azimuthal Gap
135.0°
Min Station Distance
1.746°
RMS Residual
0.73 sec
Last Updated
2025-08-16 21:54:19 UTC

Common Questions

How strong was the magnitude 4.7 earthquake in the Kermadec Islands region?

The magnitude 4.7 earthquake that struck in the Kermadec Islands region on June 3, 2025 at 17:34 UTC had a depth of 43.3 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at -27.9657°, -176.5710°, which is in the Kermadec Islands region.

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: us6000ql9l). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, June 3, 2025). M4.7 Earthquake in the Kermadec Islands regionJune 3, 2025. Retrieved August 16, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000ql9l/