5.0

M5.0 Earthquake in the Kermadec Islands regionAugust 3, 2024

2024-08-03 05:18:34 UTC (2024-08-03) · approx. 5:18 PM UTC-12 local

MagnitudeM5.0(mb)
Time05:18 UTC5:18 PM UTC-12
Depth44.3 kmshallow crustal
Coordinates-27.852°, -176.929°
Felt byNo felt reports
Status✓ Reviewed by USGS

On August 3, 2024 at 05:18 UTC, a magnitude 5.0 shallow crustal earthquake struck in the Kermadec Islands region, at a depth of 44.3 km and coordinates -27.8521°, -176.9286°. This earthquake was detected by 67 seismic stations with good location accuracy and was assigned a USGS significance rating of 385, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 5.0 releases seismic energy equivalent to roughly 477 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.7 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -27.85°, -176.93°

Earthquake Details

Magnitude
5.0 mb
Depth
44.3 km
shallow crustal
Location
-27.8521°N
-176.9286°E

Technical Information

Event ID
us6000nhu9
Event Type
earthquake
Status
✓ Reviewed
Significance
385
Stations Used
67
Azimuthal Gap
101.0°
Min Station Distance
1.643°
RMS Residual
0.67 sec
Last Updated
2024-10-11 19:39:09 UTC

Common Questions

How strong was the magnitude 5.0 earthquake in the Kermadec Islands region?

The magnitude 5.0 earthquake that struck in the Kermadec Islands region on August 3, 2024 at 05:18 UTC had a depth of 44.3 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at -27.8521°, -176.9286°, which is in the Kermadec Islands region.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.0 earthquakes can continue for days to weeks and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000nhu9). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2024, August 3, 2024). M5.0 Earthquake in the Kermadec Islands regionAugust 3, 2024. Retrieved October 11, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nhu9/