Magnitude 1.6, Fri May 23 2025 4:27 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


0.01.02.0Magnitude012Time 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


0100Depth (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
2025-05-23T07:12:00Z best 1.6 110.3 -41.24 172.59
2025-05-23T04:30:03Z preliminary 1.7 111.3 -41.23 172.61
2025-05-23T04:30:03Z automatic 1.7 92.4 -41.29 172.81
2025-05-23T04:30:02Z automatic 1.7 92.4 -41.29 172.81
2025-05-23T04:29:59Z automatic 1.9 92.4 -41.29 172.81
2025-05-23T04:29:58Z automatic 1.9 92.4 -41.29 172.81
2025-05-23T04:29:30Z automatic 1.7 92.4 -41.29 172.81
2025-05-23T04:29:29Z automatic 1.7 92.4 -41.29 172.81
2025-05-23T04:29:16Z automatic 1.7 92.4 -41.29 172.81
2025-05-23T04:29:02Z automatic 1.8 92.4 -41.29 172.81
2025-05-23T04:28:59Z automatic 1.9 97.0 -41.31 172.76