4.7

M4.7 Earthquake 142 km W of Malango, Solomon IslandsSeptember 3, 2025

2025-09-03 23:23:49 UTC (2025-09-03) · approx. 10:23 AM UTC+11 local

MagnitudeM4.7(mb)
Time23:23 UTC10:23 AM UTC+11
Depth10.0 kmshallow crustal
Coordinates-9.562°, 158.430°
Felt byNo felt reports
Status✓ Reviewed by USGS

On September 3, 2025 at 23:23 UTC, a magnitude 4.7 shallow crustal earthquake struck 142 km W of Malango, Solomon Islands, at a depth of 10.0 km and coordinates -9.5616°, 158.4298°. This earthquake was detected by 34 seismic stations with excellent 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 -9.56°, 158.43°

Earthquake Details

Magnitude
4.7 mb
Depth
10.0 km
shallow crustal
Location
-9.5616°N
158.4298°E

Technical Information

Event ID
us6000rd5v
Event Type
earthquake
Status
✓ Reviewed
Significance
340
Stations Used
34
Azimuthal Gap
75.0°
Min Station Distance
1.502°
RMS Residual
0.62 sec
Last Updated
2025-11-30 23:39:43 UTC

Common Questions

How strong was the magnitude 4.7 earthquake near Malango, Solomon Islands?

The magnitude 4.7 earthquake that struck 142 km W of Malango, Solomon Islands on September 3, 2025 at 23:23 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 -9.5616°, 158.4298°, which is 142 km W of Malango, Solomon Islands.

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: us6000rd5v). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 3, 2025). M4.7 Earthquake 142 km W of Malango, Solomon IslandsSeptember 3, 2025. Retrieved November 30, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000rd5v/