Magnitude 1.7, Wed Jul 23 2025 3:08 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


0.01.02.0Magnitude012Time 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


01020Depth (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
2025-07-22T17:40:00Z best 1.7 18.3 -41.72 174.24
2025-07-22T15:11:13Z preliminary 1.8 18.7 -41.72 174.23
2025-07-22T15:10:35Z automatic 2.0 17.6 -41.74 174.29
2025-07-22T15:10:34Z automatic 1.7 17.6 -41.74 174.29
2025-07-22T15:10:04Z automatic 1.7 17.6 -41.74 174.29
2025-07-22T15:09:58Z automatic 1.7 17.6 -41.74 174.29
2025-07-22T15:09:56Z automatic 1.7 15.2 -41.73 174.27
2025-07-22T15:09:49Z automatic 1.6 15.2 -41.73 174.27
2025-07-22T15:09:32Z automatic 1.7 15.2 -41.73 174.27