4.2

M4.2 Earthquake near Kermadec Islands, New ZealandJune 19, 2026

2026-06-19 23:30:10 UTC (2026-06-19) · approx. 11:30 AM UTC-12 local

MagnitudeM4.2(mb)
Time23:30 UTC11:30 AM UTC-12
Depth221.5 kmintermediate depth
Coordinates-29.717°, -178.785°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 19, 2026 at 23:30 UTC, a magnitude 4.2 intermediate depth earthquake struck near Kermadec Islands, New Zealand, at a depth of 221.5 km and coordinates -29.7170°, -178.7852°.

Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -29.72°, -178.79°

Earthquake Details

Magnitude
4.2 mb
Depth
221.5 km
intermediate depth
Location
-29.7170°N
-178.7852°E

Technical Information

Event ID
us6000t86y
Event Type
earthquake
Status
✓ Reviewed
Significance
271
Stations Used
18
Azimuthal Gap
122.0°
Min Station Distance
0.882°
RMS Residual
0.87 sec
Last Updated
2026-07-23 21:14:42 UTC

Common Questions

How strong was the magnitude 4.2 earthquake near Kermadec Islands, New Zealand?

The magnitude 4.2 earthquake that struck near Kermadec Islands, New Zealand on June 19, 2026 at 23:30 UTC had a depth of 221.5 km. For context, this was a light earthquake commonly felt near the epicenter.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.2 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 4.2 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000t86y). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, June 19, 2026). M4.2 Earthquake near Kermadec Islands, New ZealandJune 19, 2026. Retrieved July 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000t86y/