Magnitude 1.5, Mon Jul 21 2025 1:41 AM


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


0.01.02.0Magnitude01Time 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


010Depth (km)01Time 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
2025-07-20T15:20:36Z best 1.5 5.0 -43.05 171.44
2025-07-20T13:42:52Z preliminary 1.6 5.0 -43.04 171.44
2025-07-20T13:42:41Z automatic 1.3 9.9 -43.07 171.45
2025-07-20T13:42:40Z automatic 1.3 9.9 -43.07 171.45