Magnitude 2.3, Mon Aug 18 2025 3:01 PM


Location history for this earthquake. The automatic earthquake location system makes many locations for each quake. Not all quakes have a location history.

Magnitude History


0.01.02.03.0Magnitude012Time since earthquake (hours)Magnitude Historyb

The magnitude history for this event. The most recent value is shown as a larger circle and also labeled: c: caution, g: good b: best (reviewed by a duty person).

Depth History


020406080Depth (km)012Time since earthquake (hours)Depth Historyb

The depth history for this event. The most recent value is shown as a larger circle and also labeled; c: caution, g: good b: best (reviewed by a duty person).

Origin History Map

Map of New Zealand.

Location History


Modification Time Quality Magnitude Depth Latitude Longitude
2025-08-18T05:15:02Z best 2.3 77.0 -40.31 174.31
2025-08-18T03:03:09Z preliminary 2.2 68.8 -40.26 174.32
2025-08-18T03:03:02Z preliminary 2.2 68.8 -40.26 174.32
2025-08-18T03:03:00Z preliminary 2.2 68.8 -40.26 174.32
2025-08-18T03:02:55Z preliminary 2.2 68.8 -40.26 174.32
2025-08-18T03:02:51Z preliminary 2.2 68.8 -40.26 174.32
2025-08-18T03:02:44Z preliminary 2.3 68.8 -40.26 174.32
2025-08-18T03:02:39Z preliminary 2.2 68.8 -40.26 174.32