Magnitude 1.9, Wed Nov 22 2023 3:52 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


0.01.02.0Magnitude012345678910111213141516171819202122232425262728Time since earthquake (minutes)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


010203040Depth (km)012345678910111213141516171819202122232425262728Time since earthquake (minutes)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
2023-11-21T15:21:18Z best 1.9 25.5 -40.43 174.92
2023-11-21T14:54:11Z preliminary 1.9 21.6 -40.39 174.92
2023-11-21T14:54:11Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:11Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:10Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:10Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:08Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:07Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:06Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:04Z automatic 1.8 35.5 -40.42 174.94
2023-11-21T14:54:03Z automatic 1.8 35.5 -40.42 174.94
2023-11-21T14:54:03Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:54:01Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:53:59Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:53:58Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:53:57Z automatic 1.8 35.5 -40.42 174.94
2023-11-21T14:53:54Z automatic 1.8 35.5 -40.42 174.94
2023-11-21T14:53:53Z automatic 1.8 35.5 -40.42 174.94
2023-11-21T14:53:53Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:53:50Z automatic 1.9 35.5 -40.42 174.94
2023-11-21T14:53:48Z automatic 1.6 30.3 -40.52 175.05