M4.8 Earthquake in the Kermadec Islands region — July 22, 2026
2026-07-22 18:29:39 UTC (1 hour ago) · approx. 6:29 AM UTC+12 local
On July 22, 2026 at 18:29 UTC, a magnitude 4.8 deep-focus earthquake struck in the Kermadec Islands region, at a depth of 346.4 km and coordinates -31.5416°, 179.9243°. This earthquake was detected by 126 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 354, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
179.9243°E
Technical Information
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Common Questions
How strong was the magnitude 4.8 earthquake in the Kermadec Islands region?
The magnitude 4.8 earthquake that struck in the Kermadec Islands region on July 22, 2026 at 18:29 UTC had a depth of 346.4 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.5416°, 179.9243°, which is in the Kermadec Islands region.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Actions
Authoritative source: USGS event page (event ID: us7000t2hm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 22, 2026). M4.8 Earthquake in the Kermadec Islands region — July 22, 2026. Retrieved July 22, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000t2hm/