Magnitude 1.6, Fri May 23 2025 11:49 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


012345678910Depth (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
2025-05-23T01:48:07Z best 1.6 5.0 -43.14 170.82
2025-05-22T23:52:10Z preliminary 1.8 4.0 -43.14 170.81
2025-05-22T23:51:31Z automatic 1.4 5.5 -43.10 170.85
2025-05-22T23:51:16Z automatic 1.4 5.5 -43.10 170.85
2025-05-22T23:51:06Z automatic 1.4 5.5 -43.10 170.85
2025-05-22T23:51:04Z automatic 1.4 5.5 -43.10 170.85
2025-05-22T23:51:03Z automatic 1.4 5.5 -43.10 170.85
2025-05-22T23:51:01Z automatic 1.4 5.5 -43.10 170.85
2025-05-22T23:50:35Z automatic 1.4 7.8 -43.13 170.83