Magnitude 1.8, Sun Jul 20 2025 6:44 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


0.01.02.0Magnitude01234567Time 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


01020Depth (km)01234567Time 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
2025-07-20T01:49:39Z best 1.8 5.0 -40.59 174.57
2025-07-20T00:05:06Z preliminary 1.8 5.0 -40.59 174.58
2025-07-19T18:49:53Z preliminary 1.9 5.0 -40.60 174.57
2025-07-19T18:46:56Z automatic 1.8 21.3 -40.63 174.56
2025-07-19T18:46:49Z automatic 1.8 21.3 -40.63 174.56
2025-07-19T18:46:40Z automatic 1.8 21.3 -40.63 174.56
2025-07-19T18:46:34Z automatic 1.9 21.3 -40.63 174.56